Forget Nvidia—Tepper Just Banked $57 Million On This Under-The-Radar AI Play

David Tepper, billionaire hedge fund manager at Appaloosa Management, is quietly reaping big rewards this summer. While Nvidia Corp (NASDAQ:NVDA) grabs headlines, Tepper's under-the-radar bet on Taiwan Semiconductor Manufacturing Co. (NYSE:TSM) has surged nearly 25% in under three months, generating roughly $57 million in paper gains.