China's Shanghai Composite Index opened up 16.22 points on May 6 (Tuesday), an increase of 0.49%, at 3295.25 points; China's Shenzhen Component Index opened up 74.7 points on May 6 (Tuesday), an increase of 0.75%, at 9974.53 points; China's CSI 300 Index opened up 23.81 points on May 6 (Tuesday), an increase of 0.63%, at 3794.38 points; China's ChiNext Index opened up 18.94 points on May 6 (Tuesday), an increase of 0.97%, at 1966.97 points; China's Science and Technology Innovation 50 Index opened up 4.02 points on May 6 (Tuesday), an increase of 0.4%, at 1016.44 points.