证券时报·2025-06-04 04:29Core Viewpoint - The A-share market showed overall strength on June 4, with the rare earth permanent magnet concept leading the gains [1][5][6]. A-share Market Performance - The A-share market experienced a significant rise, with the Shanghai Composite Index up by 0.43%, the Shenzhen Component Index up by 0.91%, and the ChiNext Index up by 1.22% at midday [5]. - Nearly 4,000 stocks in the market saw an increase [5]. - Key sectors such as comprehensive, communication, non-ferrous metals, and social services all recorded gains exceeding 1% [6]. Rare Earth Permanent Magnet Sector - The rare earth permanent magnet sector was notably strong, with companies like Keheng Co. hitting the daily limit with a 20.02% increase, and Jiuling Technology seeing a peak increase of over 11% [6][7]. - Other companies in this sector, such as Guangsheng Nonferrous and Zhongke Magnetic, also experienced significant gains [6]. Hong Kong Market Performance - The Hong Kong market also showed strength, with the Hang Seng Index constituents like CSPC Pharmaceutical Group and China Biologic Products leading with gains exceeding 5% [2][14]. - China General Nuclear Power Corporation saw a dramatic rise, with its stock price increasing by over 30% during trading [3][15]. Market Volatility and Stock Movements - Several stocks in the A-share market experienced consecutive trading halts, indicating high volatility [9]. - Companies like Gongchuang Turf and Zhongheng Design reported significant price fluctuations, with Gongchuang Turf's stock price deviating by 20% over two consecutive trading days [10][11]. International Context - Concerns were raised regarding China's rare earth exports potentially causing shortages in the automotive industry in Europe, the U.S., and India, prompting questions about possible export policy adjustments [8].