The best investments do this 1 thing, says Warren Buffett. Here’s why the Oracle invests in these top performers

Core Insights - Warren Buffett emphasizes the importance of investing in businesses that can utilize large amounts of incremental capital at high rates of return, while avoiding those that require increasing capital at low rates of return [2] Company Analysis - Berkshire Hathaway's largest holding is Apple, which constitutes 20.5% of its portfolio despite Berkshire selling shares since 2024 [4] - Apple's return on invested capital (ROIC) is approximately 47%, indicating high capital efficiency and aligning with Buffett's investment principles [5]