U.S. stocks close lower

NEW YORK, Feb. 11 (Xinhua) -- U.S. stocks ended lower on Wednesday.

The Dow Jones Industrial Average fell by 66.74 points, or 0.13 percent, to 50,121.4. The S&P 500 sank 0.34 points to 6,941.47. The Nasdaq Composite Index shed 36.007 points, or 0.16 percent, to 23,066.467.