According to Jin10, China's Shanghai Composite Index opened down 3.22 points, or 0.08%, at 3,838.98 on October 8 (Thursday); the Shenzhen Component Index opened up 8.83 points, or 0.07%, at 12,896.45; the CSI 300 Index opened down 2.69 points, or 0.06%, at 4,354.93; the ChiNext Index opened up 5.19 points, or 0.17%, at 3,140.46; and the STAR 50 Index opened down 17.22 points, or 1.13%, at 1,512.79.