After China's DeepSeek prompts AI rethink, Nvidia stock slides. Follow along for live updates on stocks and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite.
--On pace for largest percent decrease since Oct. 19, 1999, when it fell 15.22% --Currently down three consecutive days; down 14.42% over this period --Worst three day stretch since the three days ...