A股午评：创业板指半日涨0.72%，海南自贸区板块全线爆发掀起涨停潮

Market Overview - The three major A-share indices rose collectively in the morning session, with the Shanghai Composite Index up by 0.48%, the Shenzhen Component Index up by 0.65%, and the ChiNext Index up by 0.72% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.133 trillion yuan, a decrease of 26.5 billion yuan compared to the previous day [1] - Over 3,900 stocks in the market experienced gains [1] Sector Performance - The Hainan Free Trade Zone, energy metals, rare earth permanent magnets, hydropower, securities, and photolithography concept stocks saw significant gains, while precious metals, banking, CPO, and pork sectors faced declines [1][2] - The Hainan Free Trade Zone and duty-free shop sectors collectively surged, with stocks like Kangzhi Pharmaceutical and China Duty Free Group hitting the daily limit [2] - The lithium mining sector showed strong performance, with stocks like Zangcang Mining and Yongshan Lithium Industry reaching the daily limit [2] - The rare earth permanent magnet sector also performed well, with stocks such as Baotou Steel and Zhongke Sanhuan hitting the daily limit, and Longmag Technology reaching a historical high [2] Notable Stocks - Stocks with four consecutive daily limits include Poly United, Shanhai Intelligent, and China Power Construction [3] - Stocks with two consecutive daily limits include Tuoshan Heavy Industry and Rainbow Group [4] Hot Sectors - The Hainan Free Trade Zone is the top-performing sector, with 17 stocks hitting the daily limit and one stock with consecutive limits [5] - The e-commerce sector follows, with 13 stocks hitting the daily limit [6] - The Belt and Road sector also performed well, with 13 stocks hitting the daily limit [7] Key Developments - The Hainan Free Trade Port is set to officially launch on December 18, 2025, marking a significant milestone in its development [10] - The proportion of zero-tariff goods for "one-line" imports will increase from 21% to 74%, facilitating trade within the island [10] - China's exports of rare earth magnets to the U.S. surged to 352.8 tons in June, a 660% increase from May, indicating a rebound in key mineral exports following a trade agreement [11] - The world's largest hydropower project, the Yarlung Tsangpo River downstream hydropower project, officially commenced on July 19, with a total investment of approximately 1.2 trillion yuan [12]