The Shenzhen Component Index on the Shenzhen Stock Exchange closed at 8,542.875 points on Wednesday, down 157.48 points, or 1.81 percent. A Share Index: 9,675.08 points, down 178.35 points, or 1.81 percent; B Share Index: 5,811.53 points, down 43.10 points, or 0.74 percent; Total Turnover: 140.3 billion yuan (23.01 billion U.S. dollars).