Market Overview - On December 31, the last trading day of 2025 for A-shares, the Shanghai Composite Index experienced slight fluctuations, while the ChiNext Index fell over 1% [2] - By midday, the Shanghai Composite Index decreased by 0.07%, the Shenzhen Component Index fell by 0.67%, and the ChiNext Index dropped by 1.1% [2] - The total market turnover for the half-day reached 1.32 trillion yuan, an increase of 21 billion yuan compared to the previous trading day, with over 3,000 stocks declining [2] Sector Performance - The AI application sector continued to rise, with stocks like Wanshili, Desheng Technology, and BlueFocus hitting the daily limit [4] - The commercial aerospace concept remained active, with stocks such as Reco Defense achieving three consecutive limit-ups, and others like Shunhao Co., Beidou Star, and Changjiang Communication also hitting the limit [4] - The robotics sector showed localized activity, with Fenglong Co. achieving six consecutive limit-ups and Wuzhou New Spring reaching a historical high with three consecutive limit-ups [4] - According to Kaiyuan Securities, leading domestic humanoid robot companies like Yushu are expected to achieve IPOs in the first half of 2026, laying a solid foundation for mass production [4] - Guotai Junan Securities believes that as leading overseas humanoid robot manufacturers accelerate product iteration and domestic companies launch products, domestic suppliers of robot components are likely to benefit in the long term [4] New Stock Performance - On the last trading day of 2025, the Beijing Stock Exchange welcomed the listing of "small giant" in the optical communication field, Hengdong Light (920045.BJ), which opened with a surge of 1008%, reaching a price of 350 yuan per share [5] - The initial trading volume exceeded 600 million yuan, with investors who subscribed to one lot (100 shares) realizing a profit of up to 31,841 yuan, showcasing a "year-end red envelope" market [5] - By midday, Hengdong Light's stock price adjusted to 322 yuan per share, with a still impressive increase of 919.31% [5] New Stock Listing Statistics - In 2025, the Beijing Stock Exchange saw 26 new stocks listed, achieving a perfect record with no stocks breaking below their issue price [6] - The lowest first-day increase among these new stocks was 133%, while the highest reached 1211%, with 19 stocks increasing over 200% on their debut [6]