002830，昨天“天地板”，今天“地天板”

Market Overview - The A-share market opened lower but rebounded, with major indices turning positive by midday. The Shanghai Composite Index closed at 4080.31 points, up 0.11%, while the Shenzhen Component and ChiNext Index both rose by 0.65% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.395 trillion yuan by midday, with Zhongji Xuchuang leading the A-share market with a transaction volume of 11.532 billion yuan [1] Sector Performance - Over 3,800 stocks in the market experienced gains, with the chemical sector showing strength, including stocks like Jinniu Chemical and Cangzhou Dahua hitting the daily limit [3] - The humanoid robot concept stocks were active, with companies such as Wuzhou Xinchun and Tianqi Co. also reaching the daily limit [3] - The traditional Chinese medicine sector performed well, with stocks like Te Yi Pharmaceutical and Hansen Pharmaceutical hitting the daily limit [3][8] - The battery industry chain saw a surge, with Tianji Co. reaching the daily limit [3] Notable Stock Movements - Mingdiao Co. (002830) exhibited significant volatility, initially hitting the limit down before quickly rebounding to the limit up, achieving five limit-up days in the last six trading sessions [4][6] - By midday, Mingdiao Co. was priced at 30.65 yuan per share, with a transaction volume of 702 million yuan [4] Pharmaceutical Sector Insights - The pharmaceutical and biotechnology sector showed strong performance, particularly in traditional Chinese medicine and innovative drugs, with stocks like Zhendong Pharmaceutical and Te Yi Pharmaceutical seeing gains of over 10% [8][9] - The Ministry of Industry and Information Technology and other departments released a plan for the high-quality development of the traditional Chinese medicine industry from 2026 to 2030, aiming for a collaborative development system and enhanced supply capabilities [10] - Long-term investment logic in the traditional Chinese medicine sector is expected to shift from "cost recovery" to "value growth," driven by policy incentives and improved operational efficiency [10]