China's Shanghai Composite Index opened down 1.58 points on May 19 (Monday), a drop of 0.05%, at 3365.88 points;
China's Shenzhen Component Index opened down 8.3 points on May 19 (Monday), a drop of 0.08%, at 10171.29 points;
China's CSI 300 Index opened down 6.52 points on May 19 (Monday), a drop of 0.17%, at 3882.57 points;
China's ChiNext Index opened down 1.4 points on May 19 (Monday), a drop of 0.07%, at 2038.05 points;
China's Science and Technology Innovation 50 Index opened down 0.96 points on May 19 (Monday), a drop of 0.1%, at 994.28 points.