
Market Overview - On May 23, the A-share market showed strong performance before noon but retreated in the afternoon, with the Shanghai Composite Index down 0.94% to 3348.37 points, the Shenzhen Component Index down 0.85% to 10132.41 points, and the ChiNext Index down 1.18% to 2021.50 points [2] - The total market turnover was 118.26 billion yuan, an increase of 42.9 billion yuan compared to the previous trading day [2] - Leading sectors included pharmaceuticals, automotive supply chains, and controllable nuclear fusion, while previously popular micro-cap stocks continued to adjust [2] Pharmaceutical Sector - The pharmaceutical sector experienced a strong surge, with leading innovative drug company Heng Rui Pharmaceutical listing on the Hong Kong Stock Exchange and seeing its stock price rise over 25%, boosting the entire innovative drug industry chain [3] - A-share pharmaceutical stocks rose against the trend, with companies like Hai Chen Pharmaceutical and Zhong Sheng Pharmaceutical hitting the daily limit, while Hua Sen Pharmaceutical and Cheng Da Pharmaceutical also saw gains [3] - Multiple innovative drug companies announced they would showcase their research results at the 2025 American Society of Clinical Oncology (ASCO) annual meeting from May 30 to June 3 [3] - The market's expectations for domestic innovative drugs going global were heightened following the news of a dual-antibody new drug licensing collaboration between Sanofi and Pfizer [3] - According to NextPharma, Chinese pharmaceutical companies completed 41 overseas licensing transactions in Q1 2025, totaling 36.9 billion USD, nearing the total for the entire year of 2023 [3] - From 2015 to 2024, China ranked first globally in the cumulative number of original innovative drugs developed [4] - Zhonghang Securities noted that the innovative drug industry is undergoing profound changes, with companies enhancing their core advantages and transitioning from followers to significant players in international competition [3] Micro-Cap Stocks - Micro-cap stocks initially performed well but began to adjust from mid-week, with high-profile stocks like Nanjing Port and Langsha experiencing significant fluctuations [5] - Wangzi New Materials gained attention from active market funds, achieving a limit-up on May 23 and recording five consecutive trading days of gains, effectively doubling in value [5] - According to Founder Securities, the dominance of micro-cap stocks has been a notable feature of the A-share market this year, with strong mean reversion properties observed in small-cap styles [5] - The outlook for the market suggests that the trend favoring micro-cap stocks may continue, supported by factors such as a stable capital market, ongoing economic transformation, and sustained liquidity [5]