Stock Market 4 February 2026

Sandisk shares rose sharply in premarket trading, reflecting sector momentum after Apple’s warning on memory costs influenced NAND pricing. China quickly blocked dual-use exports to several U.S. entities, including Red Cat and Teal Drones, with Red Cat shares down and MP Materials up, indicating traders are moving beyond the initial headlines. Nokia’s shares declined as the company undergoes an AI-infrastructure rerating ahead of its Q2 closed window. Brent crude prices dropped nearly 4% to around $79.10 as renewed U.S.–Iran talks raised expectations of increased Gulf oil supply, with managed money gross Brent shorts reaching pandemic-era highs. U.S. equity futures fell despite lower oil prices, as traders focus on rates and upcoming inflation data, with Nasdaq futures underperforming but AI stocks still attracting interest. Keel Infrastructure rose nearly 5% pre-market on attention to its Russell index timing and leasing business prospects. Micron Technology gained over 3% pre-market ahead of its fiscal Q3 report, with expectations for strong adjusted EPS following AI-memory price gains. NVIDIA slipped 0.5% premarket, with the decline attributed to macro factors like U.S.–Iran talks, lower oil, and rising yields rather than company-specific news. U.S. stocks steadied as U.S.–Iran diplomacy progressed and oil prices fell, with SK Hynix surpassing Samsung as South Korea’s largest listed company due to memory chip demand. SpaceX shares remain well above IPO price despite profit-taking and debate over its $60 billion Cursor/Anysphere acquisition. Marvell Technology advanced on S&P 500 inclusion and AI-networking optimism, while Fiserv insiders bought shares as the stock dipped. Cognizant and Infosys both fell after Accenture’s weaker IT-services outlook, and CoreWeave is set to join the Nasdaq-100 after strong recent gains.