China's Shanghai Composite Index closed up 30.7 points, or 0.76%, at 4082.13 on Monday, April 20. The Shenzhen Component Index closed up 81.33 points, or 0.55%, at 14966.75 on Monday, April 20. The CSI 300 Index closed up 28.77 points, or 0.61%, at 4757.44 on Monday, April 20. The ChiNext Index closed down 0.72 points, or 0.02%, at 3677.58 on Monday, April 20. The STAR Market 50 Index closed up 27.17 points, or 1.91%, at 1450.52 on Monday, April 20.