AI and Chip Stocks Tumble Worldwide as Nasdaq 100 Drops 3.3%

On June 23, 2026, a heavy selloff centered on AI and semiconductor stocks swept through global equity markets, renewing concern that the AI boom may have run too far. The Nasdaq 100 fell about 3.3% and a semiconductor stock index dropped roughly 8%. The decline began in South Korea and spread to the United States, hitting major names including Nvidia, Broadcom, Marvell, Intel, SK Hynix and Samsung Electronics. Bloomberg described the episode as a "chip-wreck."