Hong Kong's Hang Seng Index closed down 187.49 points, or 0.79%, at 23,453.16 points on May 15 (Thursday); Hong Kong's Hang Seng Technology Index closed down 83.94 points, or 1.56%, at 5,297.84 points on May 15 (Thursday); China Enterprises Index closed down 83.4 points, or 0.97%, at 8,509.67 points on May 15 (Thursday); Red Chip Index closed down 14.66 points, or 0.38%, at 3,854.27 points on May 15 (Thursday).