On Thursday, October 30, the Shanghai Composite Index opened down 8.51 points, or 0.21%, at 4007.82. The Shenzhen Component Index opened down 29.77 points, or 0.22%, at 13661.61. The CSI 300 Index opened down 11.86 points, or 0.25%, at 4735.98. The ChiNext Index opened down 10.48 points, or 0.32%, at 3313.79. The STAR Market 50 Index opened down 3.18 points, or 0.21%, at 1485.94.