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Tech Sell-Off Deepens as Investors Question AI Returns

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Global stock markets fell sharply after a Wall Street rout in tech shares, with the Nasdaq Composite more than 10% below its peak. Investors grew nervous about returns on AI spending just as data centre build-out looked set to slow.

“The tech sell-off has intensified”

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Global stocks tumble as AI panic grips markets after Democrats’ midterm success

The Guardian · Graeme Wearden · 6 Nov 2026

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