China's Shanghai Composite Index closed up 28.88 points, or 0.71%, at 4107.51 on Wednesday, April 29. The Shenzhen Component Index closed up 290.47 points, or 1.96%, at 15120.92 on Wednesday, April 29. The CSI 300 Index closed up 52.14 points, or 1.1%, at 4810.35 on Wednesday, April 29. The ChiNext Index closed up 90.46 points, or 2.51%, at 3687.17 on Wednesday, April 29. The STAR Market 50 Index closed up 4.84 points, or 0.33%, at 1493.50 on Wednesday, April 29.