Legendary investor Howard Marks has drawn powerful parallels between the current market excitement over artificial intelligence (AI) and the 1999 dot-com bubble, warning that it's nearly impossible to know who the long-term winners will be.Market Has Gone From ‘Elevated’ To ‘Worrisome’Speaking with 3PROTV’s Global Money Talk in South Korea, the Co-Chairman of Oaktree Capital Management said the U.S. stock market has moved from “elevated to worrisome.”However, he stopped short of calling it a full-blown bubb ...