MarketWatch

Stock Market on Dec 12, 2025: Dow, S&P 500 and Nasdaq end down as AI-related selling puts stock market under pressure; U.S. equities mostly fall on the week

The U.S. stock market closed lower Friday as Big Tech slumped, with the S&P 500 and Nasdaq booking weekly losses. Dec. 12, 2025 at 4:44 PM EST ...