GRIAM(SH:600206) Xin Lang Cai Jing·2025-09-30 07:16Group 1 - The core viewpoint of the news is that Youyan New Materials Co., Ltd. has seen a significant increase in stock price and trading volume, indicating positive market sentiment towards the company [1] - As of September 30, Youyan New Materials' stock price rose by 5.22% to 22.58 yuan per share, with a total market capitalization of 19.115 billion yuan and a trading volume of 1.617 billion yuan [1] - The company's main business involves the research, production, and sales of advanced functional materials, including semiconductor materials, rare earth materials, and optical materials, with revenue contributions from various segments [1] Group 2 - Among the top circulating shareholders of Youyan New Materials, Guolian An Fund's ETF has increased its holdings by 555,600 shares, now holding 6.2781 million shares, which is 0.74% of the circulating shares [2] - The Guolian An ETF has achieved a year-to-date return of 49.51% and a one-year return of 103.4%, ranking 785 out of 4220 and 147 out of 3846 respectively [2] - The fund manager, Huang Xin, has a tenure of over 15 years with a best return of 204.14%, while the co-manager, Zhang Zhenyuan, has nearly 12 years of experience with a best return of 387.76% [3]