每周股票复盘：中石化资本减持海正生材（688203）1%股份

Summary of Key Points Core Viewpoint - The stock of Haizheng Biomaterials (688203) has shown a slight increase, with a closing price of 13.46 yuan as of November 14, 2025, reflecting a 1.51% rise from the previous week [1]. Stock Performance - The highest price during the week was 13.93 yuan on November 13, while the lowest was 13.19 yuan on November 12 [1]. - The current total market capitalization of Haizheng Biomaterials is 2.728 billion yuan, ranking 64th out of 71 in the plastics sector and 4818th out of 5165 in the A-share market [1]. Shareholder Changes - China Petroleum & Chemical Corporation Capital Co., Ltd. reduced its holdings by 1% (2,026,700 shares) between October 28 and November 11, 2025, due to funding needs [1][3]. - The share price during the reduction ranged from 12.84 to 13.49 yuan per share, with a total reduction amounting to approximately 26.73 million yuan [1][3]. - After the reduction, China Petroleum Capital holds 10,788,194 shares, representing 5.32% of the total share capital [1][3].