China's Shanghai Composite Index closed up 9.3 points, or 0.24%, at 3903.72 on Thursday, August 20. The Shenzhen Component Index closed up 82.63 points, or 0.59%, at 13972.78 on Thursday, August 20. The CSI 300 Index closed up 4.05 points, or 0.09%, at 4592.75 on Thursday, August 20. The ChiNext Index closed up 22.09 points, or 0.64%, at 3495.59 on Thursday, August 20. The STAR Market 50 Index closed down 14.55 points, or 0.87%, at 1652.97 on Thursday, August 20.