2026-06-23 14:16 UTCIn-site rewrite1 min readUpdated: 2026-06-23 14:38 UTC

US AI stock sell-off shakes markets from Wall Street to Asia

Losses spread globally as investors questioned soaring valuations and spending on AI infrastructure. A tech sell-off shook global markets on Tuesday as attention turned away from developments in the US war with Iran and toward the future of AI companies and chipmakers that have driven stock markets to record highs.

SourceThe Guardian AIAuthor: Lauren Aratani in New York

Losses spread globally as investors questioned soaring valuations and spending on AI infrastructure

A tech sell-off shook global markets on Tuesday as attention turned away from developments in the US war with Iran and toward the future of AI companies and chipmakers that have driven stock markets to record highs.

The tech-heavy Nasdaq index opened 2% lower on Tuesday. The Dow and S&P 500 were also down at opening.