China's Shanghai Composite Index closed up 21.18 points, or 0.52%, at 4106.26 on Wednesday, April 22. The Shenzhen Component Index closed up 195.15 points, or 1.3%, at 15177.29 on Wednesday, April 22. The CSI 300 Index closed up 31.63 points, or 0.66%, at 4799.63 on Wednesday, April 22. The ChiNext Index closed up 63.82 points, or 1.73%, at 3752.76 on Wednesday, April 22. The STAR Market 50 Index closed up 24.46 points, or 1.71%, at 1451.14 on Wednesday, April 22.