Wall Street shook off a lot of negative news Friday and ended the week on an up note. The Dow Jones Industrial Average, after being down more than 200 points early, finished up 64.59, or 0.8%, at 8629.68. The S&P 500 was up 6.15, or 0.7%, to 879.74. And the Nasdaq rose 32.84, or 2.2%, to 1540.72. Dylan Ratigan, host of CNBC's "Fast Money" TV show said the market shook off news of the Bernard Madoff Ponzi scandal and the travails of the auto industry and came out "a winner." Karen Finerman said... read more