China's Shanghai Composite Index opened down 3.2 points on June 20 (Friday), a drop of 0.1%, at 3358.91 points;
China's Shenzhen Component Index opened down 12.96 points on June 20 (Friday), a drop of 0.13%, at 10039 points;
China's CSI 300 Index opened down 3.31 points on June 20 (Friday), a drop of 0.09%, at 3839.78 points;
China's ChiNext Index opened up 0.06 points on June 20 (Friday), a drop of 0%, at 2026.88 points;
China's Science and Technology Innovation 50 Index opened up 0.84 points on June 20 (Friday), an increase of 0.09%, at 963.78 points.
