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

BBC TechnologyAnalysis or commentary·
AI brief

Google's stock fell to a six-month low after the company revealed that its AI-generated search summaries were affecting ad revenue, with about $500bn in value lost.

Why it matters: It shows that replacing traditional search results with AI summaries can cut into the advertising revenue that funds Google's core search business.

Written by AI from BBC Technology's published text.

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“Google spooked investors so badly that its stock hit a six-month low, after it revealed its AI own search summaries were affecting ad revenue.”
BBC Technology, 29 Oct 2026, 21:37.

Interpretation or community commentary rather than straight reporting.

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