On Thursday, October 22, the Shanghai Composite Index closed down 55.0 points, or 1.48%, at 3658.03. The Shenzhen Component Index closed down 347.03 points, or 2.97%, at 11357.32. The CSI 300 Index closed down 75.64 points, or 1.84%, at 4036.3. The ChiNext Index closed down 117.81 points, or 4.37%, at 2576.9. The STAR Market 50 Index closed down 37.41 points, or 2.78%, at 1305.87.