Hong Kong's Hang Seng Index opened up 71.88 points, or 0.32%, at 22,576.56 points on May 6 (Tuesday); Hong Kong's Hang Seng Technology Index opened down 1.0 points, or 0.02%, at 5,243.06 points on May 6 (Tuesday); China Enterprises Index opened down 8.55 points, or 0.1%, at 8,222.49 points on May 6 (Tuesday); Red Chip Index opened down 8.17 points, or 0.22%, at 3,779.89 points on May 6 (Tuesday).