China's benchmark Shanghai Composite Index on the Shanghai Stock Exchange closed at 2,033.30 points on Monday, down 21.09points, or 1.03 percent. A Share Index: 2,127.76 points, down 22.121 points, or 1.03 percent; B Share Index: 248.39 points, down 1.42 points, or 0.57 percent; Total Turnover: 81.9 billion yuan (13.4 billion U.S. dollars).