Market News for August 19, 2026
Every story Market Flux published on August 19, 2026.
- Market Flux Event
US Stocks End Three-Day Losing Streak as Tech and Financial Shares Diverge Sharply
Major US indexes snapped a three-day slide on Wednesday, August 19, with the Dow Jones Industrial Average rising 0.22% to 53,463, the S&P 500 gaining 0.21% to 7,708, and the Nasdaq…
- Market Flux Event
Moderna and Merck Melanoma Vaccine Hits Phase 3 Goals in Historic mRNA Cancer Trial
Moderna and Merck announced Wednesday that their personalized mRNA cancer vaccine, called intismeran autogene, met its primary endpoints in a Phase 3 trial targeting high-risk melanoma…
- Market Flux Event
Trump Declares Unprecedented Economic War on Iran with Secondary Sanctions Threat Against Third Countries
President Trump on August 19 announced what he called the most crushing economic operation ever taken against any country, branding the move Economic D-Day against Iran. Speaking in…
- Market Flux Event
Bitcoin Hits $70,000 for First Time Since June as Trump Pushes Crypto Legislation and Treasury Doubles Bond Buybacks
Bitcoin surged past $70,000 on August 19 for the first time since June 2, climbing roughly 8% on the day and adding approximately $180 billion to the broader crypto market cap. The rally…
- Market Flux Event
Ultragenyx Gets Accelerated FDA Approval for DTX401 Gene Therapy Targeting Rare Metabolic Disorder GSDIa
The U.S. Food and Drug Administration granted accelerated approval to Ultragenyx Pharmaceutical's gene therapy DTX401, known generically as pariglasgene brecaparvovec, for the treatment of…
- Market Flux Event
Estee Lauder Leads Wednesday Stock Movers as Earnings Beats and Deal News Drive Gains
Estee Lauder was the standout mover on Wednesday, with shares jumping more than 15% after the beauty conglomerate reported fiscal fourth-quarter revenue of $3.6 billion, up 6% year over…
- Market Flux Event
Marvell Shares Jump 8% on Google Custom AI Chip Deal Worth Up to $12.2 Billion
Marvell Technology shares surged 8% on August 19 after the company announced a custom AI chip agreement with Google that gives Google the right to purchase up to $12.2 billion worth of…
- Most Active
Moderna Surges 177% After mRNA Melanoma Vaccine Succeeds in First-Ever Phase 3 Cancer Vaccine Trial
Moderna shares closed up 177% on Wednesday, their best single day on record, adding roughly $44 billion in market cap after the company and partner Merck announced positive topline results…
- Most Active
Datavault AI Stock Drops 22% After Q2 Revenue Misses by $23.5M Despite 287% Growth
Datavault AI reported second-quarter 2026 revenue of $6.7 million, a 287% year-over-year increase that nonetheless fell short of Wall Street estimates by $23.55 million. GAAP earnings per…
- Market Flux Event
Bitcoin Surges Near $70K as Treasury Buyback Expansion, Short Squeeze and White House Crypto Meeting Converge
Bitcoin jumped roughly 6% on August 19, 2026, briefly approaching $70,000 and touching $69,000 intraday, driven by three simultaneous catalysts. The U.S. Treasury announced an expansion of…
- Top Mover
Eli Lilly Hits All-Time High as Stock Surges 4% and Deal With Amplitude Expands RNA Vaccine Pipeline
Eli Lilly shares climbed 4.0% on August 19, 2026, reaching a record intraday high of $1,249.95 as a broad biopharma rally, triggered by Moderna's cancer-vaccine breakthrough, lifted the…
- Top Mover
Ford Raised Full-Year Guidance but Its Stock Still Lags EV Rivals and GM
Ford Motor raised its full-year 2026 adjusted EBIT guidance to $8.5 billion to $10.5 billion, up from an earlier range of $8.0 billion to $10.0 billion, and set adjusted free cash flow…
- Top Mover
Target Doubles Profit in Q2 and Raises Full-Year Outlook on Tariff Refunds and Turnaround Gains
Target reported fiscal second-quarter adjusted EPS of $4.11, roughly double the $2.30-$2.35 analyst consensus, as net income surged 100.8% year-over-year to $1.88 billion. Revenue rose 5.3%…
- Top Mover
Merck and Moderna Phase 3 mRNA Cancer Vaccine Win Lifts Pfizer Stock While Raising Competitive Stakes
Pfizer shares rose about 1% to $27.50 on Wednesday, August 19, bringing the stock's year-to-date gain to roughly 15%, as broad enthusiasm over a landmark cancer vaccine trial lifted the…
- Top Mover
Progressive Corp Stock Jumps 4% After July Results Beat Expectations Despite 12% Profit Drop
Progressive Corp reported July 2026 net income of $961 million, or $1.65 per share, a 12% decline from $1.09 billion, or $1.85 per share, in July 2025. Net premiums written grew 5% year…
- Top Mover
Jack Henry Associates Posts Record Fiscal 2026 Results With 58 Competitive Core Wins and Guides for Further Growth
Jack Henry and Associates reported record fourth-quarter and full-year fiscal 2026 results on August 18, beating consensus estimates on both revenue and earnings per share. Non-GAAP revenue…
- Top Mover
Estée Lauder Beats Q4 Estimates and Raises FY27 Outlook as China Demand Fuels Turnaround
Estée Lauder reported fiscal fourth-quarter revenue of $3.6 billion, topping analyst estimates of $3.54 billion and rising 6% year-over-year. Adjusted earnings per share came in at $0.39…
- Top Mover
Merck Hits Best Single-Day Gain Since 2009 After Phase 3 Melanoma Vaccine Trial Success With Moderna
Merck surged more than 12% on August 19, its best intraday gain since 2009, after the company and Moderna reported positive topline results from the Phase 3 INTerpath-001 trial of their…
- Top Mover
Moderna Surges 177% in Best Day Ever After mRNA Cancer Vaccine Succeeds in Phase 3 Trial
Moderna shares soared 177% on Wednesday, their best single-day gain on record, adding roughly $44 billion in market cap and lifting the stock from a prior close of $62.96 to as high as the…
- Top Mover
TJX Companies Beats Q2 Estimates but Stock Falls on Marmaxx Weakness
TJX Companies reported second-quarter fiscal 2027 results on August 19 that topped Wall Street expectations, posting net sales of $15.2 billion, up 5% year over year and ahead of the $15.16…
- Top Mover
State Street ETFs See Mixed Flows as SPY Gains Inflows While XLK Sheds $603 Million
State Street's suite of SPDR ETFs recorded sharply divergent capital flows in the latest week, with the flagship S&P 500 ETF Trust (SPY) attracting approximately $11 billion in inflows, a…
- Top Mover
Keysight Technologies Posts 37% Revenue Growth and 79% EPS Surge in Record Q3 2026 on AI-Driven Demand
Keysight Technologies reported fiscal third-quarter results on August 18 that marked its second consecutive record quarter, with revenue of $1.85 billion, up 37% from $1.35 billion a year…
- Top Mover
Citigroup Launches Custody+ Bitcoin Custody Platform for Institutions and Turns Bullish on Zambia Debt
Citigroup's Citi Investor Services is launching Custody+, a new suite of near- and real-time custody solutions for institutional clients that includes Bitcoin digital asset custody, set to…
- Top Mover
CrowdStrike Sinks 7% Ahead of Q2 Earnings as Analysts Debate Stretched Valuation After 110% Rally
CrowdStrike shares fell roughly 7% to around $199 on Wednesday, pulling the stock about 12% below its all-time high, as investors weighed a sharp run-up in valuation against an imminent Q2…
- Market Flux Event
US National Debt Crosses $40 Trillion for the First Time, Raising Borrowing Cost Fears
The US total public debt outstanding surpassed $40 trillion on Tuesday for the first time in history, according to the Treasury Department, having doubled in less than a decade. Of that…
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- Market Flux Event
Trump Confirms CFTC Push to Bring Hyperliquid to US, HYPE Surges Past $70
President Trump announced at a White House meeting with crypto and Wall Street executives on August 19 that CFTC Chair Mike Selig is actively working to bring decentralized perpetuals…
- Market Flux Event
Trump Urges Congress to Pass Crypto Clarity Act at White House Meeting with Industry Executives, Announces Plans to Buy More Bitcoin
President Trump called on Congress to pass the Crypto Clarity Act during a White House meeting with crypto industry executives on August 19, urging lawmakers to advance what he described as…
- Market Flux Event
US Crude Refining Hits Seven-Year High at 17.4 Million BPD as Brent Settles Near $92
U.S. refiners processed approximately 17.4 million barrels of crude oil per day in the week ending August 14, the highest net input figure since September 2019, according to Energy…
- Market Flux Event
US and Canada Near Trade Deal to Cut Steel and Aluminum Tariffs to 25% and Auto Tariffs to 15%
The United States is moving toward a trade framework with Canada that would halve tariffs on Canadian steel and aluminum from 50% to 25% and reduce top-line automobile tariffs from 25% to…
- Market Flux Event
US and Canada Near Deal to Halve Steel and Aluminum Tariffs From 50% to 25% Before Friday Deadline
The United States and Canada are closing in on a tentative trade agreement that would cut US tariffs on certain Canadian steel and aluminum imports from 50% to 25%, according to people…
- Market Flux Event
Fed Minutes Show Growing Support for Rate Hikes If Inflation Stays Elevated
The Federal Reserve released minutes from its July 28-29, 2026 policy meeting on Wednesday, revealing a more hawkish tone than the meeting's outcome suggested. The Committee voted 9-3 to…
- Market Flux Event
Fed Minutes Show Many Officials Ready to Hike Rates If Inflation Fails to Cool
Minutes from the Federal Reserve's most recent policy meeting, released August 19, show that many officials believed a rate increase would likely be necessary if inflation did not decline…
- Market Flux Event
Stripe Agrees to Acquire AI Model Gateway OpenRouter for $7.5 Billion
Stripe has agreed to acquire OpenRouter, a startup that helps developers access and route requests across artificial intelligence models, for approximately $7.5 billion, according to the…
- Market Flux Event
Trump Nominates White House Aide Heidi Overton as Next FDA Commissioner
President Trump announced Wednesday on Truth Social that he is nominating Dr. Heidi Overton, a physician with an MD and PhD, to serve as the next FDA commissioner. Overton is currently…
- Market Flux Event
Bessent Doubles Treasury Buybacks of 10- to 30-Year Bonds as Long-Term Yields Hit Near Two-Decade Highs
Treasury Secretary Scott Bessent announced Wednesday that the Treasury Department will at least double the maximum size of its liquidity support buyback operations for 10- to 30-year debt…
- Market Flux Event
US Treasury at Least Doubles Long-Term Bond Buybacks Starting September 9, Pushing 30-Year Yield Down 10 Basis Points
Treasury Secretary Scott Bessent announced Wednesday that the US Treasury will at least double the maximum size of its liquidity support buyback operations for 10- to 30-year debt, raising…
- Market Flux Event
Moderna Surges 125% After mRNA Cancer Vaccine Hits Phase 3 Goals in Melanoma Trial
Moderna shares more than doubled on Wednesday, rising roughly 125% to around $142, after the company and Merck announced that their personalized mRNA cancer vaccine intismeran met the…
- Unusual Volume
Lowe's Beats Q2 Earnings Estimates but Cuts Full-Year Outlook as DIY Spending Stays Under Pressure
Lowe's reported second-quarter adjusted earnings per share of $4.40, beating the $4.22 consensus estimate by $0.18, while net income came in at $2.4 billion and GAAP EPS was $4.27. Total…
- Market Flux Event
Defense-Tech Firm Lyntris Slumps 11% on Debut After Cutting IPO Size Nearly in Half
Lyntris Inc., a Falls Church, Virginia-based defense technology company specializing in sense-to-act connectivity solutions for the military, fell roughly 11% in its New York trading debut…
- Market Flux Event
Trump Announces Last-Minute US-Canada Trade Deal Averting 50% Tariffs on 20 Billion in Goods
President Trump announced Tuesday that the United States and Canada have reached a last-minute deal, halting planned 50% tariffs on roughly $20 billion worth of Canadian imports that were…
- Market Flux Event
Treasury Doubles Bond Buybacks to Tame Surging Long-Term Yields, Lifting Stocks
The U.S. Treasury Department announced Wednesday it will at least double the size of its liquidity-support debt buyback operations, targeting longer-duration securities in a surprise move…
- Top Story
US Treasury Doubles Long-Bond Buybacks to at Least $4 Billion, Sending Yields Lower and Sparking Broad Rally
The US Treasury Department announced on August 19 that it is at least doubling the maximum size of its liquidity-support buyback operations for longer-dated nominal coupon securities…
- Market Flux Event
US Treasury Doubles Bond Buybacks to $4 Billion, Sending Bitcoin to $69,749 in Its Best Day Since February
Bitcoin surged to an intraday high of $69,749 on August 19, its best single-day performance since February 2026, after the US Treasury announced it would at least double the maximum size of…
- Top Story
Moderna and Merck Cancer Vaccine Hits Phase 3 Primary Goal in Melanoma Trial, Sending Moderna Stock Up More Than 100%
Moderna and Merck announced Wednesday that their personalized mRNA cancer vaccine, intismeran autogene, met both the primary endpoint of recurrence-free survival and the key secondary…
- Market Flux Event
Moderna Stock Nearly Doubles After Phase 3 Cancer Vaccine Trial Hits Key Endpoints
Moderna shares surged as much as 99% in premarket trading on Wednesday, touching $125.68 from Tuesday's close of $62.96, after the company and Merck announced positive topline results from…
- Unusual Volume
Morgan Stanley Upgrades Honeywell Aerospace to Overweight With $205 Price Target After Sharp Selloff
Morgan Stanley upgraded Honeywell Aerospace (HONA) to overweight from equal weight on August 19, setting a price target of $205 per share, which implies nearly 28% upside from Tuesday's…
- Market Flux Event
Brent Crude Tops 91 Dollars on Four-Day Rally as Hormuz Dispute Keeps Markets on Edge
Oil prices climbed for a fourth consecutive session on August 19, with Brent crude trading above 91 dollars a barrel and WTI near 82 dollars, as conflicting signals from Tehran and…
- Market Flux Event
Treasury Raises Buyback Limits on Long-Term Bonds as AI Infrastructure Spending Reshapes Capital Markets
Treasury Secretary Bessent is raising the buyback limit on 20- and 30-year bonds to ease crowding out driven by record AI-related bond issuance, with the public and private sectors now…
- Market Flux Event
Trump Urges Congress to Pass Crypto Clarity Act at White House Summit, Teases Bitcoin Buys and Hyperliquid Regulatory Push
President Trump hosted a White House cryptocurrency summit on August 19 with executives from Coinbase, Ripple, Robinhood, Polymarket, and Gemini, alongside Wall Street leaders, SEC Chair…
- Market Flux Event
Northern Oil and Gas Launches $500M Senior Notes Offering Amid Strong Free Cash Flow
Northern Oil and Gas announced plans to raise $500 million through a senior notes offering, filing an 8-K with the SEC on August 19. The debt raise comes as the non-operator oil and gas…
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- Market Flux Event
Oil Hits Three-Week High as Houthis Block Saudi Vessels and ADNOC Curbs Asian Supply
Oil prices rose for a fourth consecutive session to a three-week high on August 19, with Brent crude trading above $91 a barrel, as a confluence of supply disruptions tightened the market…
- Market Flux Event
Marvell Issues Google a $12.2 Billion Stock Warrant in Custom AI Chip Partnership
Marvell Technology disclosed a commercial agreement with Alphabet's Google to develop custom AI chips, accompanied by a warrant granting Google the right to purchase up to 58.97 million…
- Unusual Volume
Moderna Surges Record 177% After Melanoma Vaccine Succeeds in Phase 3 Trial With Merck
Moderna and Merck reported positive topline results Wednesday from the Phase 3 INTerpath-001 trial of intismeran autogene, a personalized mRNA-based individualized neoantigen therapy…
- Market Flux Event
US Treasury Doubles Long-Bond Buybacks to at Least $4 Billion, Sending Yields Lower and Sparking Broad Rally
The US Treasury Department announced on August 19 that it is at least doubling the maximum size of its liquidity-support buyback operations for longer-dated nominal coupon securities…
- Market Flux Event
Analog Devices Posts Record Q3 Revenue of 4.02 Billion, Guides Q4 Above Estimates
Analog Devices reported record fiscal third-quarter 2026 revenue of $4.02 billion on August 19, with growth led by its Data Center and Industrial segments, beating the midpoint of its own…
- Market Flux Event
Nebius Group launches $4.5 billion convertible note sale to build out AI data centers
Nebius Group, the Amsterdam-based AI cloud company traded on Nasdaq under NBIS, announced on August 19 a proposed private offering of $4.50 billion in convertible senior notes split into…
- Market Flux Event
Aurora Cannabis Board Urges Shareholders to Take No Action on Curaleaf's Hostile $4-Per-Share Takeover Bid
Aurora Cannabis's board urged shareholders to take no action after Curaleaf Holdings formally launched a hostile takeover bid valued at US$4.00 per Aurora share, comprising 0.3463 Curaleaf…
- Market Flux Event
Moderna and Merck Cancer Vaccine Hits Phase 3 Primary Goal in Melanoma Trial, Sending Moderna Stock Up More Than 100%
Moderna and Merck announced Wednesday that their personalized mRNA cancer vaccine, intismeran autogene, met both the primary endpoint of recurrence-free survival and the key secondary…
- Unusual Volume
BlackRock Maintains Bitcoin Allocation Case After 53% Drop, Cuts IBIT Minimum by 96% as ETF Inflows Hit $1B in August
BlackRock published a report stating that Bitcoin's more than 50% decline from its October 2025 all-time high of roughly $126,000 has not changed the asset's long-term investment case…
- Market Flux Event
Scaramucci Sets 18-Month Timeline for Bitcoin to Reclaim $100,000
SkyBridge Capital founder Anthony Scaramucci says Bitcoin will climb back to $100,000 but warns it could take up to 18 months for the right catalysts to align. Scaramucci called the…
- Unusual Volume
SK Hynix Approves Record 40 Trillion Won Buyback and Cancellation After Sharp Stock Selloff
SK Hynix announced on August 19 that its board approved the repurchase and cancellation of 40 trillion won, equivalent to roughly $28.6 billion, in treasury shares, in what the company…
- Market Flux Event
SK Hynix Announces 40 Trillion Won Share Buyback and Cancellation to Boost Shareholder Returns
SK Hynix said it will buy back and cancel 40 trillion won, equivalent to approximately 28.6 billion dollars, worth of treasury shares, in one of the largest shareholder return commitments…
- Market Flux Event
UK Inflation Rises to 2.9% in July as Household Energy Costs Surge
UK consumer price inflation accelerated to 2.9% year-on-year in July, up from a 15-month low of 2.6% in June and the highest rate since March, as household energy costs jumped sharply. The…
- Market Flux Event
Global Markets Wobble as Bond Selloff, Stalled US-Iran Talks Rattle Sentiment
Global equity and bond markets came under pressure on August 19 as a sustained government bond selloff weighed on stocks, with Dow, S&P 500, and Nasdaq futures all slipping and Asian…
- Top Story
Trump Pauses 50% Canada Tariffs for Three Days After Last-Minute Deal
President Trump announced hours before a midnight deadline that he would pause threatened 50% tariffs on approximately $20 billion worth of Canadian imports for three days, through August…
- Market Flux Event
Rising Bond Yields Drag Wall Street Lower as Markets Await Fed Minutes and Jackson Hole Signals
Wall Street closed lower Tuesday with semiconductors leading declines in the technology sector, as Middle East uncertainty pushed bond yields to multiyear highs and stoked concerns about…
- Top Story
Byron Donalds Wins Florida GOP Governor Primary to Face Democrat David Jolly in November
Florida's Tuesday primary produced a marquee general election matchup for governor: Republican Rep. Byron Donalds, a conservative congressman and close Trump ally, won the GOP nomination to…
- Market Flux Event
Unitree Robotics Surges 542% in Shanghai Debut After Landmark Humanoid Robot IPO
Unitree Robotics shares soared 542% in early trading Wednesday on their first day in Shanghai, capping one of the most anticipated Chinese IPOs in recent memory. The Hangzhou-based company…
- Market Flux Event
Trump Pushes for Kim Jong Un Summit This Fall as US and South Korea Cut Joint Military Drills in Half
President Trump is pushing aides to arrange an in-person meeting with North Korean leader Kim Jong Un as soon as this fall, with a possible encounter tied to Trump's next trip to Asia…
- Market Flux Event
Trump Nominates White House Policy Aide Heidi Overton as FDA Commissioner After Months of Agency Turmoil
President Trump has selected Heidi Overton, a White House domestic policy aide and medical doctor who holds the title of deputy assistant to the president for domestic policy, to be the…
- Market Flux Event
Trump Pauses 50% Canada Tariffs for Three Days Hours Before Deadline, Citing Imminent Deal
President Trump paused 50% tariffs on roughly $20 billion worth of Canadian imports for three days, hours before they were set to take effect on August 19, announcing on Truth Social that…
- Market Flux Event
Trump Halts Iran Talks, Eyes Kim Meeting and Canada Auto Tariffs Remain Sticking Point
President Trump ordered top administration envoys to halt all negotiations with Iran, a sharp reversal that came just one day after Jared Kushner publicly referenced "positive and active…