China's benchmark Shanghai Composite Index on the Shanghai Stock Exchange closed at 2,046.59 points on Thursday, down 17.08 points, or 0.83 percent. A Share Index: 2,142.68 points, down 17.93 points, or 0.83 percent; B Share Index: 226.67 points, down 0.83 points, or 0.37 percent; Total Turnover: 95 billion yuan (15.32 billion U.S. dollars).