China's benchmark Shanghai Composite Index on the Shanghai Stock Exchange closed at 2,071.47 points on Tuesday, down 3.76 points, or 0.18 percent. A Share Index: 2,168.58 points, down 3.98 points, or 0.18 percent; B Share Index: 232.96 points, up 0.62 points, or 0.27 percent; Total Turnover: 101.12 billion yuan (16.51 billion U.S. dollars).