Big Tech Stocks Today: Oracle’s AI Spending Shock, Broadcom Margin Warning, and Nvidia China Chip Scrutiny Shape U.S. Premarket (Dec. 12, 2025)
As of about 6:00 a.m. ET on Friday, December 12, 2025, U.S. big tech stocks are mixed in premarket trading—with investors juggling two competing narratives: AI demand remains powerful, but the cost of building it is rising fast, and markets are getting pickier about who can turn that spending into profits. The early mood is being set by Oracle’s continued slide after a capex-heavy outlook, a Broadcom forecast that’s upbeat on revenue but cautious on margins, and a fresh round of policy and regulatory headlines spanning Nvidia’s China chip sales, Google’s EU antitrust exposure, and App Store rules in the