Hong Kong's Hang Seng Index opened up 30.62 points, or 0.14%, at 22038.73 points on April 30 (Wednesday); Hong Kong's Hang Seng Technology Index opened up 10.35 points, or 0.21%, at 5030.08 points on April 30 (Wednesday); China Enterprises Index opened down 16.6 points, or 0.21%, at 8051.34 points on April 30 (Wednesday); Red Chip Index opened up 5.17 points, or 0.14%, at 3761.05 points on April 30 (Wednesday).