AI Stocks Today: Nvidia, Micron, AMD, Microsoft and Oracle in Focus as U.S. Futures Turn Mixed in Friday Premarket (Dec. 19, 2025)
U.S. AI stocks are back in the spotlight heading into Friday’s opening bell, with premarket sentiment balancing two powerful forces: (1) a renewed “AI infrastructure” bid after Micron’s blockbuster outlook, and (2) policy and financing crosswinds—from chip export rules to
