U.S. stocks close mixed

NEW YORK, Jan. 28 (Xinhua) -- U.S. stocks ended mixed on Wednesday.

The Dow Jones Industrial Average rose 12.19 points, or 0.02 percent, to 49,015.6. The S&P 500 sank 0.57 points, or 0.01 percent, to 6,978.03. The Nasdaq Composite Index increased by 40.35 points, or 0.17 percent, to 23,857.45.