Group 1 - Xiamen Tungsten Co., Ltd. experienced a 5.1% decline in stock price, trading at 61.63 yuan per share, with a total transaction volume of 1.761 billion yuan and a turnover rate of 1.79%, resulting in a total market capitalization of 97.843 billion yuan [1] - The company, established on December 30, 1997, and listed on November 7, 2002, is located in Xiamen, Fujian Province, and engages in the production, sales, and R&D of tungsten and molybdenum intermediate products, battery materials, rare earth materials, and other energy new materials, alongside real estate development [1] - The revenue composition of the company includes 46.21% from tungsten and molybdenum products, 39.28% from battery materials, 14.36% from rare earth business, and 0.14% from real estate and related management [1] Group 2 - Huaan Fund has one fund heavily invested in Xiamen Tungsten, specifically the Huaan CSI 500 Index Enhanced A fund, which held 19,200 shares, accounting for 1.14% of the fund's net value, ranking as the third-largest holding [2] - The Huaan CSI 500 Index Enhanced A fund, established on May 24, 2022, has a latest scale of 37.3431 million yuan, with a year-to-date return of 15.05%, ranking 589 out of 5,551 in its category, and a one-year return of 56.06%, ranking 1,124 out of 4,285 [2]