Why stocks rose and fell on Oct 7, 2026

• Barrons.comPenguin Solutions Raises Outlook on Booming Memory Demand
• StocktwitsWhy Is PENG Stock Rising More Than 7% Overnight?
• Benzinga Prediction MarketsPenguin's Mystery 36,000-GPU Norway Deal Appears to Be Volta's $10B Anthropic AI Project

The trigger was the quarterly report: EPS +133% year over year, 29.6% above the estimate.

• Business WireGlaukos Announces Positive Three-Year Epioxa Results Demonstrating Durable Clinical Outcomes in Keratoconus

• TechCrunchSpotify expands audiobooks to over 180 markets
• AFPSpotify expands audiobooks to more than 180 markets

• Investing.comWebull stock tumbles on national security concerns
• MarketWatchWebull stock slumps as report says House China committee calls its China ties a security risk
• StocktwitsBULL Stock Heads For Biggest Drop In Over A Year After House Panel Reportedly Flags Webulls Structural Ties To China

• Business WireHess Midstream LP Announces Transformative Transaction Leading to New Independent Multi-basin Midstream Company
• Oilprice.comChevron to Shed Hess Midstream Stake in Major Bakken Restructuring
• Offshore TechnologyChevron to sell Hess Midstream stake and DJ Basin assets

No news on Xanadu Quantum Technologies today. The Technology sector moved −1.27% (median).

• Investing.comFuelCell Energy stock tumbles on CFO transition announcement
• StocktwitsFCEL Stock Slumps Amid CFO Transition But Retail Calls Ex-Xylem Hire An Encouraging Sign
• ProactiveFuelCell shares fall as CFO Bishop steps down after 15 years

No news on Absci today. The Healthcare sector moved −0.33% (median).

No news on IES today. The Industrials sector moved −2.18% (median).

• Investing.comCurtiss-Wright stock slips as CFO step-down follows CEO retirement plan

No news on Cognex today. The Technology sector moved −1.27% (median).

• StocktwitsBTC Price Drops Back To $83K Global Bond Rout Drags MSTR, COIN, CRCL, BMNR Stocks Toward September Lows

No news on Twist Bioscience today. The Healthcare sector moved −0.33% (median).

• StocktwitsQXO Hits Fresh 52-Week Lows On Soft Residential Roofing Demand

• Business WireSiTime Corporation to Announce Third Quarter 2026 Financial Results on November 4, 2026

• Investing.comIren shares fall as SemiAnalysis highlights data center reliability issues

• StocktwitsDE, CNH, CAT, AGCO Stocks Slump - FTC, USDA Inquiry Puts Farm Equipment Market Practices In Focus

• BeInCryptoBitMine Is About to Stop Buying Ethereum: What Happens to ETH Price Then?
• CryptoProwlEthereum Drops 5% After Tom Lee Says Bitmine Will Stop Purchases
• StocktwitsBTC Price Drops Back To $83K Global Bond Rout Drags MSTR, COIN, CRCL, BMNR Stocks Toward September Lows

No news on Applied Optoelectronics today. The Technology sector moved −1.27% (median).

• MarketWatchCaterpillar, Goldman Sachs share losses lead Dow's 485-point fall
• MarketWatchDow's 350-point drop led by losses in shares of Caterpillar, Honeywell
• StocktwitsDE, CNH, CAT, AGCO Stocks Slump - FTC, USDA Inquiry Puts Farm Equipment Market Practices In Focus

No news on Vicor today. The Technology sector moved −1.27% (median).

No news on Sterling Infrastructure today. The Industrials sector moved −2.18% (median).

• StocktwitsNebius Stock Rallies With AI Infrastructure Peers Even As COO Cuts Stake: Retail Mood Improves