Warren Buffett, after six decades as CEO of Berkshire Hathaway, will step down by year-end. He'll remain chairman. Greg Abel will succeed him as CEO. Buffett's leadership has yielded extraordinary returns for Berkshire Hathaway shareholders, with a stock price increase of 5,502,284% since 1965, significantly outperforming the S&P 500's 39,054% growth.

Prepared by Christopher Adams and reviewed by editorial team.