On Wednesday, October 28, the Shanghai Composite Index opened 28.62 points higher, or 0.78%, at 3676.92. The Shenzhen Component Index opened 113.35 points higher, or 1.01%, at 11359.08. The CSI 300 Index opened 35.06 points higher, or 0.87%, at 4084.62. The ChiNext Index opened 45.01 points higher, or 1.77%, at 2593.15. The STAR Market 50 Index opened 27.62 points higher, or 2.21%, at 1279.9.