有研硅股价涨5.94%，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266.78万元

Group 1 - The core point of the article highlights the recent performance of Youyan Silicon, which saw a 5.94% increase in stock price, reaching 13.91 CNY per share, with a trading volume of 1.05 billion CNY and a turnover rate of 1.54%, resulting in a total market capitalization of 17.354 billion CNY [1] - Youyan Semiconductor Silicon Materials Co., Ltd. was established on June 21, 2001, and went public on November 10, 2022. The company specializes in the research, production, and sales of semiconductor materials [1] - The main revenue composition of Youyan Silicon 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 the top ten circulating shareholders of Youyan Silicon, a fund under Southern Fund is 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 28.25%, ranking 2030 out of 4216 in its category; the one-year return is 21.51%, ranking 2068 out of 3913; and since inception, the return is 13.49% [2] - The fund manager of Southern CSI 1000 ETF (512100) is Cui Lei, who has been in the position for 7 years and 2 days, managing total assets of 122.76 billion CNY, with the best fund return during the tenure being 167.82% and the worst being -15.93% [2]