S&P Global Ratings Upgrades Vistra Corp. (VST) Buoyed By Acquisitions and Diverse Generation Portfolio

Vistra Corp (NYSE:VST) is one of billionaire David Tepper’s top stock picks heading into 2026. On December 12, S&P Global Ratings upgraded the stock to investment grade. Consequently, it raised its credit rating to BBB- from BBB+, impressed by its stable outlook. S&P Global Ratings Upgrades Vistra Corp. (VST) Buoyed By Acquisitions and Diverse Generation Portfolio chungking/Shutterstock.com The upgrade is in response to the company inking a power purchase agreement for its Comanche Peak Nuclear Power Pl ...