On Tuesday, October 27, the Shanghai Composite Index closed down 49.22 points, or 1.33%, at 3648.3 points; the Shenzhen Component Index closed down 288.65 points, or 2.5%, at 11245.73 points; the CSI 300 Index closed down 53.99 points, or 1.32%, at 4049.55 points; the ChiNext Index closed down 90.08 points, or 3.41%, at 2548.15 points; and the STAR Market 50 Index closed down 63.22 points, or 4.81%, at 1252.28 points.