The Shenzhen Component Index on the Shenzhen Stock Exchange closed at 7,239.06 points on Friday, down 80.23 points, or 1.1 percent. A Share Index: 8,199.41 points, down 90.87 points, or 1.1 percent; B Share Index: 5,371.88 points, down 12.67 points, or 0.24 percent; Total Turnover: 91.26 billion yuan (14.96 billion U.S. dollars).