The Hong Kong Hang Seng Index opened down 474.86 points, or 1.82%, at 25,550.56 on Thursday, March 19. The Hang Seng Tech Index opened down 107.31 points, or 2.1%, at 5,000.99. The H-share Index opened down 143.29 points, or 1.62%, at 8,692.21. The Red Chip Index opened down 26.31 points, or 0.61%, at 4,275.69.