China's Shanghai Composite Index closed up 3.63 points, or 0.11%, at 3429.76 points on March 18 (Tuesday); China's Shenzhen Component Index closed up 56.93 points, or 0.52%, at 11014.75 points on March 18 (Tuesday); China's CSI 300 Index closed up 10.94 points, or 0.27%, at 4007.72 points on March 18 (Tuesday); China's ChiNext Index closed up 13.52 points, or 0.61%, at 2228.64 points on March 18 (Tuesday); China's Science and Technology Innovation 50 Index closed up 6.62 points, or 0.61%, at 1089.83 points on March 18 (Tuesday).