Stock market today: Wall Street's drops kick back into gear

NEW YORK (AP) — Back down goes Wall Street. U.S. stocks are resuming their slide Thursday, led by the market’s AI superstars that are now feeling the painful downside of big expectations.The S&P 500 was down 1% in morning trading, nearly erasing its mini-recovery from the prior day that had helped it claw back some of its sharp drop over recent weeks. The Dow Jones Industrial Average was down 340 points, or 0.8%, as of 10:07 a.m. Eastern time, and the Nasdaq c