OTIC(SZ:000962) Xin Lang Cai Jing·2025-10-15 03:00Group 1 - The stock of Dongfang Tantalum Industry fell by 5.14%, trading at 26.77 yuan per share, with a transaction volume of 341 million yuan and a turnover rate of 2.49%, resulting in a total market capitalization of 13.515 billion yuan [1] - Dongfang Tantalum Industry, established on April 30, 1999, and listed on January 20, 2000, specializes in the research, production, and sales of tantalum, niobium, beryllium metals, and alloy products [1] - The main business revenue composition includes tantalum, niobium, and their alloy products at 98.36%, titanium and titanium alloy products at 1.30%, and other categories at 0.34% and 0.01% [1] Group 2 - The Guotou Ruijin Fund has a significant holding in Dongfang Tantalum Industry, with the Guotou Ruijin Economic Driven Mixed A Fund (017749) increasing its stake by 35,900 shares in the second quarter, holding a total of 423,400 shares, which accounts for 3.25% of the fund's net value [2] - The Guotou Ruijin Economic Driven Mixed A Fund was established on March 14, 2023, with a current size of 100 million yuan, achieving a year-to-date return of 40.67% and ranking 1366 out of 8161 in its category [2] - The fund has a one-year return of 32.45%, ranking 2163 out of 8015, and a cumulative return since inception of 48.1% [2] Group 3 - The fund manager of Guotou Ruijin Economic Driven Mixed A Fund is Tang Yan, who has been in the position for 2 years and 217 days, managing total assets of 214 million yuan [3] - During Tang Yan's tenure, the best fund return was 53.12%, while the worst return was 50.77% [3]