S&P 500 Gains and Losses Today: AI Stocks Plunge as DeepSeek Model Gains Traction

U.S. stocks mixed at close of trade; Dow Jones Industrial Average up 0.65%

Nasdaq 100's 40th Anniversary -January 27, 2025 at 04:27 pm EST

Dow Jones Futures: AI Stocks Nvidia, Broadcom, Astera Crash On DeepSeek Fears

Stock market today: Nasdaq sinks, S&P 500 tumbles as AI fears rock tech stocks

Stock Market Today: Nasdaq, S&P 500 each record worst day in over a month as DeepSeek fears spark tech rout; Dow ends higher