China's Shanghai Composite Index closed down 1.75 points on January 21 (Tuesday), a drop of 0.05%, at 3242.62 points;
China's Shenzhen Component Index closed up 49.3 points on January 21 (Tuesday), an increase of 0.48%, at 10305.69 points;
China's CSI 300 Index closed up 2.94 points on January 21 (Tuesday), an increase of 0.08%, at 3832.61 points;
China's ChiNext Index closed up 7.66 points on January 21 (Tuesday), an increase of 0.36%, at 2112.39 points;
China's Science and Technology Innovation 50 Index closed up 8.03 points on January 21 (Tuesday), an increase of 0.83%, at 976.30 points.
