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

Shares of Arista Networks Inc. cratered 22.35% to $100.30 Monday, on what proved to be an all-around mixed trading session ...

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 ...

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

The Dow Jones Industrial Average went up Monday afternoon, as the 10-year Treasury yield fell while investors saw some relief on the tariffs front. However, the Nasdaq Composite tanked as attention on ...

The S&P 500, a gauge of U.S. large-cap stocks, notched a record closing high of 6,118.71 on Jan. 23, according to Dow Jones Market Data. Big Tech stocks have massive market values, translating into ...

The Dow Jones Industrial Average is outperforming other major indexes and is on track to best the Nasdaq Composite by the widest margin in years. The Dow is up roughly 0.3%, versus a fall of 3.11% for ...

Wall Street is tumbling on fears the big U.S. companies that have feasted on the artificial-intelligence frenzy are under ...

Key stocks in the Dow Jones Industrial Average (DJIA), including McDonald’s, JPMorgan, and Goldman Sachs. Analyze ratings, ...