China's Shanghai Composite Index opened down 3.06 points, or 0.08%, at 4064.68 on Wednesday, February 4th. The Shenzhen Component Index opened down 54.7 points, or 0.39%, at 14072.41 on Wednesday, February 4th. The CSI 300 Index opened down 12.14 points, or 0.26%, at 4647.97 on Wednesday, February 4th. The ChiNext Index opened down 26.57 points, or 0.8%, at 3298.32 on Wednesday, February 4th. The STAR Market 50 Index opened down 18.09 points, or 1.23%, at 1452.98 on Wednesday, February 4th.