Billionaire David Tepper Sells Nvidia Stock and Buys a Shocking Artificial Intelligence (AI) Stock Instead

Nvidia (NVDA -2.25%) has been the foundation of the artificial intelligence (AI) boom. Its graphics processing units power virtually all of the most advanced AI systems, and the company has a strong presence in adjacent markets like AI networking equipment and software development tools.However, billionaire David Tepper sold Nvidia in the third quarter and bought a shocking AI stock: electric utility Vistra (VST -0.13%). That was a bad pun, but Tepper is a good case study for investors because his hedge fun ...