On Tuesday, October 20, the Shanghai Composite Index closed up 4.45 points, or 0.12%, at 3735.37. The Shenzhen Component Index closed down 16.13 points, or 0.14%, at 11801.29. The CSI 300 Index closed down 22.43 points, or 0.54%, at 4152.11. The ChiNext Index closed down 7.09 points, or 0.26%, at 2739.2. The STAR Market 50 Index closed up 13.23 points, or 1.0%, at 1342.42.