China's Shanghai Composite Index opened down 9.6 points, or 0.25%, at 3,904.16 on Thursday, October 23.
China's Shenzhen Component Index opened down 37.19 points, or 0.29%, at 12,959.42 on Thursday, October 23.
China's CSI 300 Index opened down 13.87 points, or 0.3%, at 4,578.7 on Thursday, October 23.
China's ChiNext Index opened down 8.58 points, or 0.28%, at 3,050.74 on Thursday, October 23.
China's STAR Market 50 Index opened down 9.32 points, or 0.66%, at 1,396.09 on Thursday, October 23.