Warren Buffett's Farewell: What Investors Can Learn From His Biggest Mistake

Warren Buffett stepped down as Berkshire Hathaway chairman after six decades of exceptional returns. The article argues his biggest mistake was failing to invest in Google early despite recognizing its strong business model through GEICO's advertising costs. Buffett finally invested in Alphabet in 2025, illustrating the importance of acting on unique insights and specialized knowledge when investment opportunities arise.