U.S. stocks close lower

NEW YORK, April 21 (Xinhua) -- U.S. stocks ended lower on Monday.

The Dow Jones Industrial Average fell by 971.82 points, or 2.48 percent, to 38,170.41. The S&P 500 sank 124.50 points, or 2.36 percent, to 5,158.2. The Nasdaq Composite Index shed 415.55 points, or 2.55 percent, to 15,870.9.