On Friday, September 11, the Shanghai Composite Index opened down 23.48 points, or 0.6%, at 3910.92. The Shenzhen Component Index opened down 134.04 points, or 0.98%, at 13483.63. The CSI 300 Index opened down 34.09 points, or 0.75%, at 4514.3. The ChiNext Index opened down 28.41 points, or 0.85%, at 3310.01. The STAR Market 50 Index opened down 20.52 points, or 1.31%, at 1548.7.