End of an Era: Warren Buffett says he will step down as Berkshire Hathaway CEO after 55 years
1. Warren Buffett will step down as CEO at year-end. 2. Buffett transformed Berkshire into a $1 trillion company. 3. Berkshire stock gained 20% this year against S&P's decline. 4. Successor Greg Abel faces high expectations and scrutiny. 5. Buffett leaves a legacy of significant wealth creation.