On November 20, Nvidia released its financial results for its third quarter of fiscal 2025, showing an astonishing 94% year-over-year revenue growth. The company is booming, and so is the stock price. As of this writing, Nvidia stock is up nearly 200% year to date. As impressive as these returns are for Nvidia, it’s not the best-performing stock in the S&P 500 (SNPINDEX: ^GSPC) this year. That distinction currently belongs to energy company Vistra (NYSE: VST), which has gained 332% in 2024. Vistra provides residential electricity and owns power generation plants, including nuclear power plants. And many investors believe its nuclear assets allow it to meet the growing energy needs of artificial intelligence (AI).Continue readingMore articles on MotleyFool More articles on MotleyFool