China's Shanghai Composite Index opened 6.37 points higher on Wednesday, February 25, up 0.15%, at 4,123.78 points; China's Shenzhen Component Index opened up 30.68 points, or 0.21%, at 14,322.24 on Wednesday, February 25; China's CSI 300 Index opened up 6.03 points on Wednesday, February 25, a gain of 0.13%, at 4,713.58 points; The ChiNext Index opened up 4.83 points on Wednesday, February 25, a gain of 0.15%, at 3,313.09 points; The China STAR 50 Index opened up 3.14 points on Wednesday, February 25, a gain of 0.21%, at 1,468.51 points.