China's Shanghai Composite Index opened down 12.22 points, or 0.3%, at 4081.03 on Friday, April 24. The Shenzhen Component Index opened down 91.71 points, or 0.61%, at 14951.74. The CSI 300 Index opened down 14.59 points, or 0.3%, at 4771.73. The ChiNext Index opened down 37.75 points, or 1.01%, at 3682.5. The STAR Market 50 Index opened up 10.45 points, or 0.73%, at 1443.04.