China's Shanghai Composite Index opened down 1.27 points on June 18 (Wednesday), a drop of 0.04%, at 3386.14 points;
China's Shenzhen Component Index opened down 8.84 points on June 18 (Wednesday), a drop of 0.09%, at 10142.58 points;
China's CSI 300 Index opened up 1.27 points on June 18 (Wednesday), an increase of 0.03%, at 3871.65 points;
China's ChiNext Index opened down 3.25 points on June 18 (Wednesday), a drop of 0.16%, at 2046.69 points;
China's Science and Technology Innovation 50 Index opened down 0.84 points on June 18 (Wednesday), a drop of 0.09%, at 962.24 points.