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High Impact

Reddit shares tumble 30% after CEO warns Google AI is cutting search referrals - [Read more](

📅
🏷Markets
📰via CB
✍️Edited by Luís Barata

Reddit shares fell roughly 30% after the company's chief executive warned that Google's AI-driven search features are reducing the referral traffic that flows from Google Search to Reddit's platform. The transmission channel here is advertising revenue and user-acquisition economics: Reddit depends heavily on search-driven logged-out visitors to grow its audience and ad inventory, so a sustained drop in referrals threatens both engagement metrics and future ad pricing. For Alphabet, the read-through is more nuanced, since the cited mechanism involves Google's own AI Overviews altering click distribution, which raises questions about publisher relationships, content-licensing costs, and the long-term monetization of search queries that increasingly resolve on the results page. Traders watching GOOGL and GOOG should track any follow-up disclosures from Alphabet on AI Overviews' effect on click-through rates, as well as the next Alphabet quarterly earnings release, where search revenue growth and traffic commentary will indicate whether the disruption is material to the core advertising business.

Source: Originally reported by CB at October 30, 2026. Summary and market context by Trading News Terminal editorial.

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