Earnings Are Key to Valuing Banks: Buffett

7:18 AM ET Mon, 4 March 2013

"Book value is not key to valuing banks," said Warren Buffett, Berkshire Hathaway chairman & CEO, answering a viewer's question about what to focus on when investing in banks. Buffett also reveals why he is giving investment managers Todd Coombs and Ted Weschler, another $billion each to invest.