中科海讯跌2.01%，成交额5310.75万元，主力资金净流出448.43万元

Core Viewpoint - Zhongke Haixun's stock price has experienced significant fluctuations, with a year-to-date increase of 102.65%, but a recent decline of 9.88% over the past five trading days, indicating potential volatility in investor sentiment [2]. Financial Performance - For the period from January to September 2025, Zhongke Haixun reported operating revenue of 145 million yuan, a year-on-year decrease of 0.41%, while the net profit attributable to shareholders was -76.92 million yuan, reflecting a year-on-year increase of 16.27% [2]. - Cumulatively, the company has distributed dividends totaling 20.72 million yuan since its A-share listing, with 7.02 million yuan distributed over the past three years [3]. Stock Market Activity - As of November 12, Zhongke Haixun's stock price was 38.93 yuan per share, with a market capitalization of 4.596 billion yuan. The trading volume was 53.11 million yuan, with a turnover rate of 1.18% [1]. - The company has appeared on the "Dragon and Tiger List" six times this year, with the most recent instance on August 19, where net purchases amounted to 39.998 million yuan [2]. Shareholder Structure - As of October 31, 2025, Zhongke Haixun had 22,200 shareholders, a decrease of 1.18% from the previous period, with an average of 5,136 circulating shares per shareholder, an increase of 1.19% [2]. - Notable changes in institutional holdings include a decrease of 1.22 million shares held by Changcheng Jiujia Innovation Growth Mixed A, while new shareholders include Yongying Ruixin Mixed A and Yongying Jianjian Enhanced Bond A [3]. Business Overview - Zhongke Haixun, established on July 18, 2005, specializes in the research, production, and sales of sonar-related products, with its main revenue sources being signal processing platforms (41.94%), underwater big data and simulation systems (39.42%), and sonar systems (17.69%) [2]. - The company operates within the defense and military industry, specifically in the maritime equipment sector, and is associated with concepts such as computing power, artificial intelligence, marine economy, robotics, and chip technology [2].