China's Shanghai Composite Index opened down 2.57 points on April 30 (Wednesday), a drop of 0.08%, at 3284.08 points;
China's Shenzhen Component Index opened up 13.7 points on April 30 (Wednesday), an increase of 0.14%, at 9863.5 points;
China's CSI 300 Index opened up 0.75 points on April 30 (Wednesday), an increase of 0.02%, at 3775.83 points;
China's ChiNext Index opened up 4.18 points on April 30 (Wednesday), an increase of 0.22%, at 1936.12 points;
China's Science and Technology Innovation 50 Index opened down 3.22 points on April 30 (Wednesday), a drop of 0.32%, at 1000.65 points.
