U.S. stocks close lower

NEW YORK, April 30 (Xinhua) -- U.S. stocks ended lower on Tuesday.

The Dow Jones Industrial Average fell by 570.17 points, or 1.49 percent, to 37,815.92. The S&P 500 sank 80.48 points, or 1.57 percent, to 5,035.69. The Nasdaq Composite Index shed 325.26 points, or 2.04 percent, to 15,657.82.