Chip stocks experienced a significant downturn, with major AI rally leaders seeing sharp profit-taking after a record quarter. The VanEck Semiconductor ETF plunged over 5%, led by Micron, Intel, and AMD. Concerns over potential AI computing oversupply, fueled by Meta's plans, prompted investors to re-evaluate lofty valuations. Despite the sell-off, some remain optimistic about AI-focused tech giants.

Shares of technology companies rose as traders dived back into artificial-intelligence bets.

Memory maker Micron, which jumped over 240% in the second quarter, dropped 11% on Wednesday, wiping out nearly $200 billion of market capitalization.