Jeremy Grantham says this is 'the most expensive market in 'American history'

Jeremy Grantham says soaring valuations around AI makes the U.S. stock market historically expensive.

Jun 26, 2026 3

Jeremy Grantham says this is 'the most expensive market in 'American history'
Jeremy Grantham says soaring valuations around AI makes the U.S. stock market historically expensive.
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