These Were the 5 Top-Performing Stocks in the S&P 500 in August 2025

Core Viewpoint - The article discusses five top-performing S&P 500 stocks that returned over 20% in August, highlighting their unique circumstances and potential for future investment opportunities [2][5][12]. Group 1: Stock Performances - The five stocks that outperformed the S&P 500 in August include Albemarle, UnitedHealth Group, Intel, Humana, and Idexx Laboratories, with returns ranging from 21% to 25% [2][5]. - Albemarle, a leading lithium supplier, saw its stock jump due to expectations of improved lithium prices following a competitor's mine output halt [7]. - UnitedHealth Group's stock rebounded after Berkshire Hathaway disclosed a $1.6 billion stake, despite previous concerns leading to a 50% decline in 2025 [8]. - Intel received significant investments totaling $10.9 billion from SoftBank and the U.S. government, aimed at enhancing its semiconductor production [9]. - Humana experienced steady stock increases following positive quarterly results and analyst upgrades, rather than dramatic daily jumps [10][11]. - Idexx Laboratories reported better-than-expected Q2 results, prompting management to raise guidance for the year, contributing to its stock performance [12]. Group 2: Investment Considerations - Idexx Laboratories is highlighted as a strong long-term investment due to its consistent growth rate of 10% or better and increasing gross margins over two decades, indicating a competitive advantage [18][20]. - The trend of providing better healthcare for pets is seen as a significant growth driver for Idexx, as pet owners increasingly treat pets as family members [17]. - While Albemarle and Intel present tempting investment opportunities, concerns about their long-term economic viability and business model changes are noted [15][16].