Berkshire Hathaway Stock Slides On Buffett's Retirement: His Net Worth Falls Nearly $10 Billion
1. Buffett to retire as CEO of Berkshire Hathaway at year's end. 2. Berkshire stock dropped 6%, erasing $40 billion in market cap. 3. First-quarter earnings fell 5% below analyst expectations. 4. Analysts attribute decline to Buffett's retirement, not operations. 5. Greg Abel appointed as incoming CEO to succeed Buffett.