China's Shanghai Composite Index opened down 6.33 points, or 0.16%, at 3950.24 on Friday, August 28. The Shenzhen Component Index opened down 29.6 points, or 0.21%, at 14019.28. The CSI 300 Index opened down 14.44 points, or 0.31%, at 4615.84. The ChiNext Index opened down 19.63 points, or 0.57%, at 3453.73. The STAR Market 50 Index opened down 8.76 points, or 0.52%, at 1684.72.