MarketWatch.com | Top Stories Follow Stock investors’ favorite AI tools are faring much worse than the S&P 500 Artificial intelligence can do a lot of things — like tearing down your stock portfolio and adding risk. https://www.marketwatch.com/story/ai-can-do-a-lot-of-things-like-tearing-down-your-stock-portfolio-and-adding-risk-795d37cb?mod=mw_rss_topstories marketwatch.com