The Hang Seng Index opened 284.01 points higher, or 1.11%, at 25,779.08 on Thursday, August 20. The Hang Seng Tech Index opened 79.12 points higher, or 1.69%, at 4,761.17. The H-share Index opened 107.87 points higher, or 1.27%, at 8,579.08. The Red Chip Index opened 50.21 points higher, or 1.21%, at 4,203.42.