China's Shanghai Composite Index opened down 5.05 points, or 0.13%, at 4031.54 on Friday, July 10. The Shenzhen Component Index opened up 81.68 points, or 0.53%, at 15480.41. The CSI 300 Index opened up 11.22 points, or 0.23%, at 4887.54. The ChiNext Index opened up 23.68 points, or 0.59%, at 4041.86. The STAR Market 50 Index opened up 4.35 points, or 0.2%, at 2190.18.