How AI Stock Market Concentration is Shaping Investor Strategies
The shift investors feel when a few names do most of the work There is a particular kind of tension that shows up in AI investing when the market starts acting like a handful of companies carry the whole weight. I have watched portfolios that used to feel diversified start to behave like concentrated bets, not because someone changed their mind overnight, but because prices and index weights moved in a way that quietly rewired risk. When people say “AI stock market co