Should Investors Chase the AI-Fueled Rally in AMD or META Stock?

Advanced Micro Devices AMD) and Meta Platforms META) were two of Monday's biggest mega-cap winners, with both stocks surging roughly 10% as enthusiasm around artificial intelligence returned in force. AMD reached a $1 trillion market-cap threshold for the first time, joining Meta in the exclusive trillion-dollar club, as investors piled back into AI-related semiconductor stocks. (*The chart below is from Friday, September 18). Meta's rally, meanwhile, was fueled by excitement surrounding its new Muse AI assistant, which has quickly climbed to the top of Apple's AAPL) U.S. App Store.