On Wednesday, October 21, the Shanghai Composite Index opened 5.2 points higher, or 0.14%, at 3740.57. The Shenzhen Component Index opened 37.5 points higher, or 0.32%, at 11838.79. The CSI 300 Index opened 9.15 points higher, or 0.22%, at 4161.26. The ChiNext Index opened 7.64 points higher, or 0.28%, at 2746.84. The STAR Market 50 Index opened 14.21 points higher, or 1.06%, at 1356.63.