On Tuesday, December 9th, the Shanghai Composite Index opened down 7.57 points, or 0.19%, at 3916.51. The Shenzhen Component Index opened down 34.37 points, or 0.26%, at 13295.62. The CSI 300 Index opened down 10.38 points, or 0.22%, at 4611.38. The ChiNext Index opened down 6.66 points, or 0.21%, at 3183.61. The STAR Market 50 Index opened down 11.95 points, or 0.88%, at 1338.85.