China's Shanghai Composite Index opened down 12.41 points, or 0.31%, at 3939.09 on Thursday, September 10. The Shenzhen Component Index opened down 82.14 points, or 0.6%, at 13641.18. The CSI 300 Index opened down 22.41 points, or 0.49%, at 4550.19. The ChiNext Index opened down 30.64 points, or 0.91%, at 3324.33. The STAR Market 50 Index opened down 10.6 points, or 0.67%, at 1569.46.