Group 1 - Hong Kong's Hang Seng Index fell by 0.04%, down 11 points, closing at 26,552 points, while the Hang Seng Tech Index decreased by 0.66% with a trading volume of HKD 129.8 billion in the morning session [1] - Pop Mart (09992) surged over 8% as the company repurchased shares worth HKD 251 million [1] - Major airlines continued to rise, with strong expectations for industry growth; China Southern Airlines (01055) increased by 3.72%, China Eastern Airlines (00670) by 4.56%, and Air China (00753) by 2.5% [1] Group 2 - Weisheng Holdings (03393) rose nearly 9%, reaching new highs as the State Grid increased its investment scale, indicating a favorable phase for smart meter investments [2] - Health Road (02587) increased by over 4% after the controlling shareholder extended the lock-up period, and the company repurchased 327,000 shares recently [3] - Blucube (00325) rose against the trend by 3.95%, benefiting from the expansion of China's trendy toy industry and the enrichment of its IP system and product matrix [4] Group 3 - Hou Shang Ayi (02589) saw a rise of over 10% as its 25-year performance forecast exceeded expectations, with net profit expected to grow by up to 60% year-on-year [5] - Gigadevice (03986) increased by over 5%, reaching a new high as Micron reported worsening shortages of memory chips, indicating that supply tightness will persist beyond this year [6] - Damai Entertainment (01060) rose over 4% after announcing its entry into the museum sector, positioning itself to benefit from the upgrading of consumer structures [7] Group 4 - The commercial aerospace sector experienced declines, with Asia Pacific Satellite (01045) dropping by 6.9% and Goldwind Technology (02208) falling by over 3% [8] - Jiayuan Ankang-B (02617) fell over 9% as it proposed a placement to raise HKD 190 million, primarily for core product development [9]