Dow falls nearly 550 points as Nasdaq enters correction territory

The S&P 500 SPX, -2.06% fell 57 poitns, or 2.1%, to around 2,728. The Dow Jones Industrial Average DJIA, -2.13% shed 546 points, or 2.1%, to 25,053. The Nasdaq Composite COMP, -1.25% slipped 93 points …