Biggest Stock Losers Today (Dec. 12, 2025): Broadcom Slides on AI Margin Warning, Oracle Extends Capex Rout as U.S. Futures Dip
Broadcom fell 5% in premarket trading Friday after a margin warning, while Oracle shares stayed under pressure following its spending update. Select small-cap stocks including Applied Therapeutics and ProPhase Labs dropped more than 25% premarket. Nasdaq futures lagged as investors questioned the profitability of continued AI investment.