China's Shanghai Composite Index opened 12.78 points higher, or 0.33%, at 3907.21 on Thursday, August 20. The Shenzhen Component Index opened 142.81 points higher, or 1.03%, at 14032.97. The CSI 300 Index opened 24.6 points higher, or 0.54%, at 4613.3. The ChiNext Index opened 44.16 points higher, or 1.27%, at 3517.65. The STAR Market 50 Index opened 17.96 points higher, or 1.08%, at 1685.48.