有研硅股价涨5.15%，南方基金旗下1只基金位居十大流通股东，持有342.02万股浮盈赚取225.73万元

Group 1 - The core viewpoint of the news is that Youyan Silicon has experienced a stock price increase of 5.15%, reaching 13.47 CNY per share, with a trading volume of 172 million CNY and a turnover rate of 2.61%, resulting in a total market capitalization of 16.805 billion CNY [1] - Youyan Semiconductor Silicon Materials Co., Ltd. is located in Xicheng District, Beijing, and was established on June 21, 2001, with its listing date on November 10, 2022. The company's main business involves the research, production, and sales of semiconductor materials [1] - The revenue composition of Youyan Silicon's main business includes 61.48% from semiconductor silicon wafers, 29.55% from silicon materials for etching equipment, 6.80% from other sources, and 2.16% from supplementary sources [1] Group 2 - From the perspective of Youyan Silicon's top ten circulating shareholders, a fund under Southern Fund ranks among them. The Southern CSI 1000 ETF (512100) reduced its holdings by 39,200 shares in the third quarter, now holding 3.4202 million shares, which accounts for 0.67% of the circulating shares [2] - The Southern CSI 1000 ETF (512100) was established on September 29, 2016, with a latest scale of 76.63 billion CNY. Year-to-date returns are 27.12%, ranking 2130 out of 4216 in its category; the one-year return is 25.9%, ranking 2007 out of 3889; and since inception, the return is 12.5% [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has a cumulative tenure of 6 years and 360 days, managing total fund assets of 122.76 billion CNY, with the best fund return during the tenure being 182.39% and the worst being -15.93% [2]