China's Shanghai Composite Index closed down 56.43 points, or 1.39%, at 4006.55 on Thursday, March 19. The Shenzhen Component Index closed down 286.23 points, or 2.02%, at 13901.57 on Thursday, March 19. The CSI 300 Index closed down 75.08 points, or 1.61%, at 4583.25 on Thursday, March 19. The ChiNext Index closed down 37.26 points, or 1.11%, at 3309.1 on Thursday, March 19. The STAR Market 50 Index closed down 33.55 points, or 2.44%, at 1339.03 on Thursday, March 19.