Legendary investor says the AI boom masks a deeper crisis: Falling sperm counts, shrinking populations, and vanishing resources
- Apr 14
- 1 min read
FORTUNE — Grantham has earned the right to trust his own instincts over consensus. Over 40 years, he called out the Japanese stock and real estate bubbles before they collapsed at the turn of the 1990s. He called the dotcom bubble before it burst a decade later.
And in September 2007, he wrote in these very pages that the U.S. housing sector was in “genuine bubble territory” — months before that market’s implosion triggered the Great Financial Crisis. As late as August 2007, the Federal Reserve was skeptical of such bubble talk, while Grantham was dismissed as a pessimist, a dismissal that soon proved mistaken.
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