China's Shanghai Composite Index closed up 12.58 points, or 0.32%, at 3946.68 on Wednesday, August 12. The Shenzhen Component Index closed up 154.99 points, or 1.09%, at 14414.43 on Wednesday, August 12. The CSI 300 Index closed up 27.13 points, or 0.58%, at 4690.92 on Wednesday, August 12. The ChiNext Index closed up 52.92 points, or 1.49%, at 3602.08 on Wednesday, August 12. The STAR Market 50 Index closed up 27.49 points, or 1.61%, at 1736.99 on Wednesday, August 12.