The Shenzhen Component Index on the Shenzhen Stock Exchange closed at 7,468.46 points on Wednesday, up 18.76 points, or 0.25 percent. A Share Index: 8,464.27 points, up 21.26 points, or 0.25 percent; B Share Index: 5,400.78 points, down 3.41 points, or 0.06 percent; Total turnover: 84.06 billion yuan (13.65 billion U.S. dollars).