These Were the 3 Top-Performing Stocks in the S&P 500 in August 2025

Key Points The S&P 500 gained just about 2% in August, but some stocks absolutely crushed the index. Two top-performing stocks surged after big stakes, one from Warren Buffett and another from the U.S. government. 10 stocks we like better than UnitedHealth Group › The S&P 500 (SNPINDEX: ^GSPC) index, a leading benchmark of the U.S. stock market, rose about 1.9% in August. However, at least 20 stocks in the S&P 500 index rallied over 10% in the month, with the top three rallying over 20% each. Here' ...