On Friday, November 21, the Shanghai Composite Index opened down 34.39 points, or 0.87%, at 3896.66. The Shenzhen Component Index opened down 228.1 points, or 1.76%, at 12752.72. The CSI 300 Index opened down 51.56 points, or 1.13%, at 4513.39. The ChiNext Index opened down 62.97 points, or 2.07%, at 2979.37. The STAR Market 50 Index opened down 27.71 points, or 2.09%, at 1300.48.