China's Shanghai Composite Index opened down 13.42 points, or 0.33%, at 4080.3 points on Thursday, May 28. The Shenzhen Component Index opened down 45.31 points, or 0.29%, at 15691.16 points on Thursday, May 28. The CSI 300 Index opened down 18.91 points, or 0.39%, at 4889.27 points on Thursday, May 28. The ChiNext Index opened down 3.69 points, or 0.09%, at 4042.08 points on Thursday, May 28. The STAR Market 50 Index opened down 10.34 points, or 0.57%, at 1805.11 points on Thursday, May 28.