Tech Stocks Plunge on AI Earnings Shock, Yen Remains Firm | U.S. Market Summary

The story

U.S. tech stocks plunged amid an AI earnings shock.

The yen remained firm, and no major moves were reported in the foreign-exchange market.

At a glance

U.S. stock marketTech stocks reportedly plunged amid an AI earnings shock

Yen exchange rateThe yen was reported to have remained firm

DateReported as market information from around 31 October 2026

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