The Hang Seng Index opened down 136.64 points, or 0.57%, at 23,871.91 on Friday, November 13. The Hang Seng Tech Index opened down 13.72 points, or 0.35%, at 3,918.21. The H-share Index opened down 46.08 points, or 0.57%, at 8,010.68. The Red Chip Index opened down 16.72 points, or 0.42%, at 3,963.61.