Following are the day’s biggest winners and losers. Find out why shares of Palm and Fortress popped while Home Depot and Moody's dropped.   Read More

Even though Warren Buffett always says he likes stocks more when they're cheaper, he didn't do a lot of buying as Wall Street's major indexes fell to their bear-market lows (so far) in early March.  Berkshire Hathaway's first quarter stock portfolio snapshot shows no blockbuster buys. A few stakes did, however, get bigger during the first three months on the year.   Read More

Warren Buffett's Berkshire Hathaway has lost its coveted top-level credit rating from Moody's Investors Service, but a well-known Buffett watcher says the move will have only a very small impact on the company.  Tonight Moody's downgraded Berkshire by two notches to Aa2 from Aaa.  The ratings agency says severe stock price declines and the U.S. recession have weakened an important Berkshire reinsurance subsidiary.   Read More

Instead of asking what Warren Buffett has been buying, we should have been wondering what he's been selling.  Berkshire Hathaway's stock portfolio snapshot for the end of the fourth quarter reveals its holdings in Johnson and Johnson have been slashed by more than half.   Read More