The Diary of a CEO: Jeremy Grantham on the AI Bubble and a Coming Market Crash

Veteran investor Jeremy Grantham delivers a blunt warning: the AI-fueled stock market boom may be one of the biggest bubbles in American history. In this condensed recap of Steven Bartlett’s conversation on The Diary of a CEO, you’ll hear why Grantham says investors should be cautious on US technology stocks, why he’s skeptical of crypto and Bitcoin, and what he recommends instead: diversification across bonds, cash, precious metals, and cheaper non-US equities. This summary distills the full episode into minutes, giving you the key ideas on market psychology, big tech trends, AI regulation, automation, inequality, and why real innovation can still lead to painful crashes when optimism runs too far. You’ll also hear Grantham’s broader warnings about social trust, climate strain, and the limits of endless growth. Listen now to get the key ideas in minutes.