China's Shanghai Composite Index opened 28.84 points higher, or 0.76%, at 3833.54 on Friday, July 31. The Shenzhen Component Index opened 404.19 points higher, or 3.04%, at 13690. The CSI 300 Index opened 74.13 points higher, or 1.63%, at 4623.85. The ChiNext Index opened 166.99 points higher, or 5.15%, at 3411.61. The STAR Market 50 Index opened 132.95 points higher, or 8.37%, at 1721.36.