China's benchmark Shanghai Composite Index on the Shanghai Stock Exchange closed at 2,751.53 points Wednesday, up 18.54 points, or 0.68 percent, from the previous close. A Share Index: 2,881.10 points, up 19.41 points, or 0.68 percent; B Share Index: 297.02 points, up 1.94 points, or 0.66 percent; Total Turnover: 77.25 billion yuan (about 11.67 billion U.S. dollars). 