The Hong Kong Hang Seng Index opened down 84.36 points, or 0.33%, at 25,368.87 on Tuesday, August 18. The Hang Seng Tech Index opened down 13.22 points, or 0.28%, at 4,768.81 on Tuesday, August 18. The H-share Index opened down 24.59 points, or 0.29%, at 8,415.38 on Tuesday, August 18. The Red Chip Index opened up 0.91 points, or 0.02%, at 4,162.39 on Tuesday, August 18.