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Google value plunges by $500bn as AI search hits ad sales

Google spooked investors so badly that its stock hit a six-month low, after it revealed its AI search summaries were affecting ad revenue.

BBC World•

Google parent Alphabet lost just over $500bn (£374bn) in value on Thursday after it rattled Wall Street with its last update of the year on its business operations.

Google spooked investors so badly that its stock hit a six-month low, after it revealed its artificial intelligence (AI) summaries on search were affecting ad revenue.

Microsoft and Amazon also updated investors this week, and joined Google in plans to keep spending astronomical sums of cash in an ongoing AI race.

Amazon's stock also took a hit on Thursday after it shared results that disappointed investors. Shares of the company fell 6% in after hours stock trading.