沪硅产业跌2.04%，成交额2.80亿元，主力资金净流出4450.18万元

Core Viewpoint - The stock of Shanghai Silicon Industry Co., Ltd. has experienced fluctuations, with a recent decline of 2.04% and a year-to-date increase of 25.19%, indicating volatility in the semiconductor materials sector [1][2]. Financial Performance - For the period from January to September 2025, the company reported a revenue of 2.641 billion yuan, representing a year-on-year growth of 6.56%. However, the net profit attributable to shareholders was -631 million yuan, a decrease of 17.67% compared to the previous year [2]. - Cumulative cash dividends since the company's A-share listing amount to 110 million yuan [3]. Shareholder and Market Activity - As of September 30, 2025, the number of shareholders increased by 28.31% to 78,700, while the average circulating shares per person decreased by 21.74% to 34,709 shares [2]. - The stock's trading activity shows a net outflow of 44.5 million yuan from main funds, with significant selling pressure observed [1]. Company Overview - Shanghai Silicon Industry Co., Ltd. specializes in the research, production, and sales of semiconductor silicon wafers and other materials, with 94.92% of its revenue derived from semiconductor silicon wafers [1]. - The company is categorized under the electronic-semiconductor-semiconductor materials industry and is associated with concepts such as integrated circuits and chip manufacturing [1].