How much of your portfolio should be in stocks? It's one of investing's most important questions — and the standard answer is costing the average investor the equivalent of 2% of their lifetime consumption. Yale economists have finally built something better, and it fits in a spreadsheet.
Picture this: You're at dinner with friends, and someone excitedly announces their latest AI investing strategy—putting half their portfolio into artificial intelligence stocks. This scene plays out countless times, as the human brain sees AI's transformative potential and leaps to a seductive conclusion: concentrate everything on the obvious winner. History suggests this is precisely the wrong approach. Academic research demonstrates that concentrated investing carries dispr
TEBI
Aug 18, 20257 min read
SUBSCRIBE
Simply provide your email address to receive our regular update.
