The Shenzhen Component Index on the Shenzhen Stock Exchange closed at 8,561.2 on Wednesday, down 28.67 points, or 0.33 percent. A Share Index: 9,519.49 points, down 31.88 points, or 0.33 percent; B Share Index: 4,222.23 points, down 47.66 points, or 1.12 percent; Total Turnover: 43.2 billion yuan (6.85 billion U.S. dollars).