China's Shanghai Composite Index closed up 28.08 points, or 0.67%, at 4242.57 on Wednesday, May 13. The Shenzhen Component Index closed up 264.83 points, or 1.67%, at 16089.75 on Wednesday, May 13. The CSI 300 Index closed up 50.3 points, or 1.02%, at 4998.34 on Wednesday, May 13. The ChiNext Index closed up 103.45 points, or 2.63%, at 4038.33 on Wednesday, May 13. The STAR Market 50 Index closed up 46.37 points, or 2.69%, at 1770.15 on Wednesday, May 13.