China News Client April 7 (Xie Yiguan) On April 6, US stocks closed sharply higher. As of the close, the Dow rose 1627.46 points, or 7.73%, to 22679.99 points; the S & P 500 index rose 175.03 points, or 7.03%, to 2663.68 points; the Nasdaq rose 540.16 points, or 7.33%, to 7931.24 points. The stocks of the popular Chinese stocks were mixed, and Ruixing Coffee's share price plunged more than 18% to $ 4.39.