Group 1: New Listings on Hong Kong Stock Exchange - Nobikang (HK02635) and Qingsong Health (HK02661) had a strong debut, with Nobikang closing at HKD 371 per share, up 363.75%, achieving a total market capitalization of HKD 14.049 billion; Qingsong Health closed at HKD 58.7 per share, up 158.82%, with a total market capitalization of HKD 12.114 billion [1] - Hansai Aitai-B (HK03378) experienced a decline, closing at HKD 17.2 per share, down 46.25%, with a total market capitalization of HKD 2.343 billion [1] - The contrasting performances of these three new stocks reflect investor preferences and the misalignment of fundamentals and valuations, indicating a more rational investment approach [1] Group 2: Upcoming IPOs - Haizhi Technology has submitted a listing application to the Hong Kong Stock Exchange, ranking fifth among industrial-grade AI providers in China by projected 2024 revenue, and first among image-centric AI providers [2] - Longxun Co., Ltd. has also filed for a listing, focusing on high-speed mixed-signal chip design for smart visual terminals and AI applications, leading the domestic video bridging chip market and ranking among the top five globally in the fabless design sector [3] - Weichai Lovol has submitted its listing application, recognized as a leading provider of smart agricultural solutions in China, aiming to enhance agricultural sustainability through intelligent machinery and technology [4] Group 3: Market Performance - On December 23, the Hong Kong stock market index closed at 25,774.14, down 0.11%, with the old biotechnology sector index at 5,488.89, down 0.69%, and the technology sector index at 8,913.83, down 0.29% [5]