China's Shanghai Composite Index closed down 15.69 points, or 0.4%, at 3931.05 on Thursday, November 20. The Shenzhen Component Index closed down 99.27 points, or 0.76%, at 12980.82. The CSI 300 Index closed down 23.34 points, or 0.51%, at 4564.95. The ChiNext Index closed down 34.51 points, or 1.12%, at 3042.34. The STAR Market 50 Index closed down 16.61 points, or 1.24%, at 1328.19 on Thursday, November 20.