Legendary investor Jeremy Grantham called the pandemic crash — but says he traded it so poorly he 'might as well have done nothing'

Legendary investor and co-founder of Grantham, Mayo & van Otterloo, Jeremy Grantham

Fairfax Media/Getty Images; Jenny Chang-Rodriguez/BI

• Jeremy Grantham warned of an AI bubble and bemoaned his pandemic bet in his new memoir.
• The GMO cofounder predicted a sell-off and recession, and said his COVID trade wasn't smart enough.
• He said investing is a "trivial activity" and young people should build more valuable skills.

Legendary investor Jeremy Grantham raised the alarm on an AI bubble...