Market News for September 4, 2026
Every story Market Flux published on September 4, 2026.
- Market Flux Event
Novartis and Ionis Heart Drug Pelacarsen Fails Phase 3 Trial, Sending Shares Lower
Pelacarsen, a drug developed by Novartis and partner Ionis Pharmaceuticals to lower lipoprotein(a), or Lp(a), failed to reduce the risk of cardiovascular events in a late-stage clinical…
- Market Flux Event
FDA Grants Accelerated Approval to AstraZeneca's Breast Cancer Pill Etcamah for ESR1-Mutated Tumors
The U.S. Food and Drug Administration has granted accelerated approval to AstraZeneca's camizestrant, branded as Etcamah, for the treatment of hormone receptor-positive, HER2-negative…
- Most Active
Lululemon Slashes Full-Year Outlook a Second Time as Q2 Revenue Falls 4%, Stock Hits 8-Year Low
Lululemon Athletica cut its full-year revenue forecast for the second time in 2026, sending shares down as much as 20% on Friday to an eight-year low, after second-quarter results revealed…
- Top Mover
Lululemon Plunges 20% to 8-Year Low After Second Guidance Cut and Q2 Revenue Miss
Lululemon Athletica shares collapsed as much as 20% on September 4 to an eight-year low, touching $97.42 in trading and a 52-week low of $98.02, after the company reported second-quarter…
- Top Mover
FHFA Expands VantageScore Access to All Mortgage Lenders, Sending FICO Shares Down 17%
Federal Housing Finance Agency Director Bill Pulte ordered Fannie Mae and Freddie Mac to immediately approve all mortgage lenders to use VantageScore, ending a pilot program that had been…
- Top Mover
Netflix Hikes Prices in Germany, Austria and UK as Stock Falls 4% on Rate Pressure
Netflix announced subscription price increases of up to 2 euros in Germany and Austria, with a separate, second price hike of 2026 also rolling out in the UK. The German and Austrian…
- Top Mover
Adobe Shares Sink 7% as Insider Chakravarthy Named CEO and Top Creative Executive Wadhwani Exits
Adobe named Anil Chakravarthy as its next president and chief executive officer, effective December 1, 2026, the start of the company's fiscal 2027. Chakravarthy, who has led Adobe's…
- Top Mover
Tesla Cybercab Launches in Austin but NHTSA Probe and Muted Rollout Send Stock Down 6%
Tesla officially began commercial Cybercab rides in limited areas of Austin, Texas on the evening of September 3, deploying roughly 1,000 of the two-seat, fully autonomous robotaxis that…
- Top Mover
Intel Shares Climb 4% as Dell Earnings Fuel CPU Demand Optimism and Mizuho Cuts Target
Intel shares rose roughly 4% on September 4 as chip stocks broadly shrugged off rising rate-hike odds, with AMD gaining about 3% and Nvidia ticking higher. The rally came despite Mizuho…
- Top Mover
Micron Surges 6% on AI Memory Optimism as Taiwan Union Dispute Remains Unresolved
Micron Technology shares advanced roughly 6% on September 4 as part of a broad semiconductor sector rally, with memory stocks leading gains on strong AI-driven demand. SanDisk climbed as…
- Top Mover
SanDisk Surges Up to 12% on Nvidia's Hugging Face Deal and Accelerating NAND Pricing Cycle
SanDisk shares jumped as much as 12% on Friday, September 4, closing as the top weekly gainer on the Nasdaq, as a pair of catalysts combined to drive the strongest single-session move in…
- Market Flux Event
US Justice Department Antitrust Division Ordered to Pause All Work With Canadian Government Amid Trade Dispute
The U.S. Justice Department's antitrust division was instructed earlier this week to pause all cooperation with the Canadian government, according to internal emails reviewed by The Wall…
- Unusual Volume
Guidewire Software Falls 15% as Weak Q1 Revenue Guidance Overshadows Record Q4 ARR Growth
Guidewire Software reported strong fiscal fourth-quarter results on September 3, 2026, but shares tumbled roughly 15% in premarket trading to $172.99 on September 4 after the company issued…
- Unusual Volume
Zscaler Shares Drop 4% After Q4 Beat as Free Cash Flow Plunge and Slowing Growth Guidance Weigh
Zscaler reported fiscal fourth-quarter 2026 revenue of $898.2 million, up 25% year over year and above analyst estimates of $877 million, alongside non-GAAP EPS of $1.19 and a record…
- Market Flux Event
US Diesel Prices Hit All-Time Record High of $5.85 Per Gallon Amid Global Refining Crisis
US diesel fuel prices hit an all-time high of $5.85 per gallon as of September 4, 2026, surpassing the previous record of $5.819 per gallon set on June 17, 2022, according to GasBuddy and…
- Market Flux Event
Samsara and UiPath Lead Earnings-Driven Pre-Market Swings as Lululemon and Guidewire Tumble
A wave of quarterly earnings reports drove sharp pre-market moves across U.S. equities on September 4, 2026, with winners and losers split largely along the lines of guidance strength…
- Market Flux Event
Trump Threatens to Cut Off Trade with Deficit Countries If Fed Refuses to Lower Rates
President Donald Trump escalated his pressure campaign against the Federal Reserve on Friday, September 4, threatening to halt trade with every country with which the United States runs a…
- Market Flux Event
Tesla Launches Cybercab in Austin But NHTSA Probe and Limited Rollout Sink Stock
Tesla officially launched its Cybercab robotaxi service for paying customers in Austin, Texas, on the evening of September 3, marking the first public deployment of the two-seat, fully…
- Market Flux Event
Nvidia Nears All-Time High as AI Capex Surge and Meta Coding Model Lift Tech Stocks
Nvidia shares climbed to around $230, just below their all-time high of $236, as the broader AI infrastructure spending race continued to accelerate. Analysts are increasingly describing…
- Unusual Volume
BlackRock IBIT Pulls $454 Million in Bitcoin ETF Surge as TCP Credit Fund CEO Departs
Bitcoin spot ETFs recorded $730.9 million in net inflows on September 3, their strongest single trading session since mid-January and the third-largest daily inflow of 2026. BlackRock's…
- Market Flux Event
US August Payrolls Surged 162K, Crushing Consensus of Around 55K
The US economy added 162,000 nonfarm payroll jobs in August 2026, more than tripling the consensus forecast of roughly 53,000 to 56,000, in the strongest monthly reading relative to…
- Unusual Volume
Lululemon Stock Hits 8-Year Low After Second Guidance Cut as Americas and China Sales Weaken
Lululemon Athletica shares plunged roughly 17% to 20% on September 4, hitting an eight-year low of $97.42 and touching a 52-week low of $98.02, after the athletic apparel retailer reported…
- Market Flux Event
Bank of England Governor Bailey Warns High Government Debt Adds Pressure to Bond Markets
Bank of England Governor Andrew Bailey warned on September 4 that elevated government debt levels reflect "very substantial challenges" facing governments globally and are contributing to…