China's benchmark Shanghai Composite Index on the Shanghai Stock Exchange closed at 2,057.03 points on Thursday, down 10.35 points, or 0.5 percent. A Share Index: 2,153.63 points, down 10.87 points, or 0.5 percent; B Share Index: 227.48 points, down 0.24 points, or 0.11 percent; Total turnover: 64.41 billion yuan (10.46 billion U.S. dollars).