Warren Buffett's Berkshire Hathaway liquidated its positions in a number of high-profile companies during the fourth quarter, but the Oracle of Omaha has hung on to his huge stake in Coca-Cola. And Coke's nearly 4% drop is a weight on Buffett's portfolio.
Federal prosecutors are looking into whether banks misled investors about their roles in mortgage-bond deals. Targeted banks include Citi, JPMorgan Chase, and UBS. At the same time, New York's Attorney General is launching a separate probe of whether some banks misled ratings agencies.
Warren Buffett dumps more of his Moody's shares. Moody's stock is up by about 5 percent over the last six months, compared with a 25 percent increase in the DJIA, and soon credit-ratings companies may face stricter regulation by Congress.