Wall Street’s superstars tumbled Monday as a competitor from China threatens to upend the artificial-intelligence frenzy they ...

Shares of Quanta Services Inc. tumbled 18.32% to $292.43 Monday, on what proved to be an all-around mixed trading session for ...

Shares of Amphenol Corp. Cl A tumbled 12.57% to $67.49 Monday, on what proved to be an all-around mixed trading session for ...

The S&P 500 dropped 1.5 percent, dragged down in large part by a 16.9 percent fall for Nvidia. Other Big Tech stocks also ...

Losses accelerated on Monday as AI bellwether Nvidia ( NVDA) dropped more than 17%, leading a sell-off across the broader ...

The tech-led rout that gripped US equity markets on Monday left one corner of the market relatively unscathed: the Dow Jones ...

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.

The Dow Jones tumbled during the overnight session before Monday’s opening bell. Trade war fears are back on the table after ...

Stocks were sharply lower Monday afternoon on concerns about the competitive threat that China poses in the race to develop artificial intelligence.

Wall Street's tech giants dragged US frontline indices on Monday after China's AI startup DeepSeek rattled Silicon Valley and ...