China's Shanghai Composite Index closed up 12.9 points on May 20 (Tuesday), an increase of 0.38%, at 3380.48 points;
China's Shenzhen Component Index closed up 78.08 points on May 20 (Tuesday), an increase of 0.77%, at 10249.17 points;
China's CSI 300 Index closed up 21.03 points on May 20 (Tuesday), an increase of 0.54%, at 3898.17 points;
China's ChiNext Index closed up 15.7 points on May 20 (Tuesday), an increase of 0.77%, at 2048.46 points;
China's Science and Technology Innovation 50 Index closed up 2.43 points on May 20 (Tuesday), an increase of 0.24%, at 997.68 points.
