US stocks in the red at open: S&P crashes on 1%, Dow fall over 400 points
US stocks declined on Tuesday, led by losses in artificial intelligence-linked names such as Palantir, as investors reassessed stretched valuations following a year-long rally in technology shares. The S&P 500 fell 1.2% shortly after the market opened, while the Nasdaq Composite declined 1.7%. The Dow Jones Industrial Average dropped 430 points, or 0.9%. The declines
