S&P 500 Movers for Thursday (1/20)

During , the $Dow Jones Industrial Average(.DJI.US)$ shed 313 points, or 0.89%. At one point during the session, the 30-stock benchmark was up more than 450 points. A similar reversal played out for the other major averages. The $S&P 500 Index(.SPX.US)$ declined 1.1% after earlier advancing 1.53%. The $Nasdaq Composite Index(.IXIC.US)$ ended the day with a loss of 1.3%, reversing a prior move that had the tech-heavy index up 2.1%.