有研硅：9月25日融资净买入12.31万元，连续3日累计净买入2977.89万元

Core Viewpoint - The financing activities of Youyan Silicon (688432) show a slight net buying trend, with a total net purchase of 12.31 million yuan on September 25, 2025, and a cumulative net buying of 29.78 million yuan over the last three trading days [1][2]. Financing Summary - On September 25, 2025, the financing net purchase was 12.31 million yuan, with a financing balance of 1.87 billion yuan, representing 2.69% of the circulating market value [2]. - The financing balance decreased by 0.11% compared to the previous day, with a reduction of 21.09 million yuan [4]. - Over the last three trading days, the financing activities included a net purchase of 29.78 million yuan, indicating a positive trend in investor sentiment [1][2]. Margin Trading Summary - On September 25, 2025, the margin trading saw a net buy of 23,200 shares, with a remaining margin balance of 66,500 yuan [3]. - The margin trading balance was 1.87 billion yuan, reflecting a slight decrease from the previous day [4]. - The margin trading activities indicate a mixed sentiment among investors, with fluctuations in both buying and selling [3][4]. Additional Information - The current requirements for individual investors to participate in margin trading include having at least six months of trading experience and an average asset of 500,000 yuan over the last 20 trading days [5]. - The number of margin trading stocks on the Shanghai Stock Exchange is set to increase from 800 to 1,000, while the Shenzhen Stock Exchange will expand from 800 to 1,200 for stocks outside the registration system [5].