China's Shanghai Composite Index closed down 48.15 points, or 1.22%, at 3888.37 on Thursday, September 24. The Shenzhen Component Index closed down 319.11 points, or 2.34%, at 13316.97 on Thursday, September 24. The CSI 300 Index closed down 78.13 points, or 1.73%, at 4439.14 on Thursday, September 24. The ChiNext Index closed down 90.66 points, or 2.68%, at 3288.95 on Thursday, September 24. The STAR Market 50 Index closed down 38.98 points, or 2.35%, at 1621.87 on Thursday, September 24.