BREAKING NEWS: Stocks Continue Selloff, Dow Down 300 Points

After stabilizing shortly after the opening bell, the selloff in stocks is gathering steam in what has already been an extremely volatile trading session. The Dow is off 304 points, or 2.7%, at 11140. The Nasdaq Composite and S&P 500 are both off more than 3%, too, as Wall Street grapples with the ramifications of Friday night's downgrade of the U.S.'s credit rating by Standard & Poor's.More