Vistra Corp. (NYSE:VST) is included in our list of the best AI energy stocks to buy now. Mixed Analyst Sentiment on Vistra (VST) Amid Increasing Regulatory Risk and Long-Term Contract Wins On January 15, 2026, Jefferies stated that it is seeing heightened regulatory risk for established power producers. The cautious sentiment builds following reports of potential PJM market intervention aimed at electricity affordability and reliability. As a result of this development, Vistra Corp. (NYSE:VST)’s shares e ...