Market Overview - The A-share market experienced a collective adjustment, with the Shanghai Composite Index down 0.44%, the Shenzhen Component down 0.86%, and the ChiNext Index down 1.17% [1] - The total market turnover was approximately 1.45 trillion yuan, an increase of 138.6 billion yuan compared to the previous trading day [1] Port and Shipping Sector - The port and shipping sector saw significant gains, with stocks like China National Offshore Oil Corporation and Hainan Airlines Technology hitting the daily limit [8] - Key stocks in this sector included: - China National Offshore Oil Corporation: 13.02, up 29.94% - Hainan Airlines Technology: 3.70, up 10.12% [9][10] Rare Earth Permanent Magnet Sector - The rare earth permanent magnet sector experienced a strong rally, with Zhongke Magnetic Materials surging to a daily limit within 2 minutes [2] - Key performers in this sector included: - Zhongke Magnetic Materials: 55.02, up 20.00% - Keheng Co.: 18.86, up 19.97% - Beikong Technology: 20.68, up 10.00% [3][6] - Over the past six trading days, the sector has cumulatively increased by 9.02% [2] Company Performance - Zhongke Magnetic Materials reported a revenue of 154 million yuan in Q1 2025, a year-on-year increase of 35.09%, and a net profit of 13.44 million yuan, up 232.27% year-on-year [6] - The company specializes in the production of sintered NdFeB permanent magnet materials and ferrite magnets, ranking among the top tier in the industry [5]