And 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 1.5% in early trading,

Ahead of the opening bell, ADP said the U.S. added 77,000 private payrolls in February, the fewest since July and well below economists' forecast for 148,000. Job losses were seen across several industries, including transportation, education and healthcare.