
Vistra Corp. (VST) is an integrated electricity retailer and power generation company based in Irving, Texas. With a market cap of $70.8 billion, it operates across the U.S., producing and selling power wholesale, and also has retail operations (serving residential, commercial, and industrial customers) under various brands.
Companies worth more than $10 billion are generally labeled as “large-cap” stocks, and Vistra fits this criterion perfectly. It dominates the market through its integrated generation and retail model, which stabilizes earnings across the energy value chain, and its diverse portfolio spanning nuclear, natural gas, coal, solar, and battery storage, ensuring reliability and flexibility.