Warren Buffett, stepping down as CEO of Berkshire Hathaway at 95, has reflected on his biggest investment mistakes, not as financial losses, but as missed opportunities. While widely followed for his successful investments, Buffett confessed to 'blowing it' on certain bets. Greg Abel will succeed him as CEO. The article highlights six of Buffett's most significant missed investment opportunities, emphasizing his reflections on potential rather than realized losses.