1:45:52Billionaire's WARNING: I'm SELLING. The Crash Is Already Here!
From The Diary Of A CEO · Published Jun 30, 2026 · Watch on YouTube
TL;DR
Jeremy Grantham states the US stock market is in the biggest investment bubble in history, centered on AI and tech, and advises selling all US stocks, especially technology holdings. He predicts a 70%+ decline in high-flyers and warns that financial advisors will never tell clients to exit because it is bad for their business.
Key insights
- Bubbles always occur around the most important ideas (railroads, internet, AI), and the bigger the idea the bigger the eventual bust.
- The current US equity bubble is the largest in American history, exceeding even the 2000 tech bubble and the 1989 Japanese bubble.
- SpaceX is described as a “fabulous BS story” whose prospectus (mining asteroids, quarter of global GDP) mirrors classic bubble narratives like the South Sea Bubble.
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