$1 trillion rout hits Nasdaq 100 over AI jitters in worst day since 2022

Investors soured on the promise of artificial intelligence Wednesday, sparking a $1 trillion rout in the Nasdaq 100 Index as questions swirled over just how long it will take for the substantial investments in the technology to pay off.

The Nasdaq indexes tumbled more than 3% for the worst days since October 2022. The list of laggards was a who’s-who of AI technology darlings, led by semiconductor companies such as Nvidia Corp., Broadcom Inc. and Arm Holdings Plc.