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The Guardian - US
The Guardian - US
Business
Lauren Aratani in New York

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

a man stands with his hand over his mouth as others react to something
Traders work on the floor at the New York Stock Exchange on 22 June 2026. Photograph: Brendan McDermid/Reuters

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 closed 2.2% lower on Tuesday. The S&P 500 was also down by Tuesday afternoon, dropping 1.43% while the Dow remained steady.

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