China's Shanghai Composite Index opened down 14.16 points, or 0.36%, at 3864.27 on Thursday, August 6. The Shenzhen Component Index opened down 162.76 points, or 1.15%, at 13981.44. The CSI 300 Index opened down 36.35 points, or 0.78%, at 4621.8. The ChiNext Index opened down 63.0 points, or 1.78%, at 3472.15. The STAR Market 50 Index opened down 42.56 points, or 2.51%, at 1651.11.