U.S. stocks are falling Thursday, led by AI superstars that are now feeling the painful downside of big expectations. The S&P 500 was down 0.7% in morning trading, resuming its slide after a mini-recovery from the prior day helped it claw back some of its sharp drop over recent weeks.

Stocks are falling again on Wall Street as companies and investors react to President Donald Trump’s decision to impose tariffs on the U.S.’s biggest trading

U.S. stocks were resuming their slide Thursday morning, fueled by concern over AI revenue and Trump’s tariffs.

Investors are selling stocks and taking shelter in the bond market as fears over the US economic-growth outlook flare.