Jeremy Grantham Warns AI Boom Has Pushed U.S. Stocks to Record High Valuations

Renowned investor Jeremy Grantham warns that artificial intelligence-driven enthusiasm has pushed U.S. stock valuations to historic levels, potentially signaling an impending market correction. He cited the Buffett indicator at 235%, suggesting a bubble reminiscent of the dot-com era.

By Colleen Cabili Fri, June 26, 2026 at 6:57 PM GMT+3 2 min read · Yahoo Finance · June 26, 2026, 15:57 UTC

Jeremy Grantham Warns AI Boom Has Pushed U.S. Stocks to Record High Valuations

Tickers: $AMZN $SPCE

Topics: AI economic indicators GMO Jeremy Grantham stock market valuation

Read the full article at Yahoo Finance

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