STI(SZ:300416) Xin Lang Cai Jing·2026-01-14 06:19Group 1 - The stock price of Suzhou Su Test Experiment Group Co., Ltd. dropped by 5.01% to 18.77 CNY per share, with a trading volume of 984 million CNY and a turnover rate of 10.07%, resulting in a total market capitalization of 9.545 billion CNY [1] - The company, established on December 29, 2007, and listed on January 22, 2015, specializes in environmental and quality reliability testing and analysis services for industrial products, focusing on the research and production of environmental testing equipment [1] - The revenue composition of the company includes: 49.19% from environmental reliability testing services, 31.27% from testing equipment, 15.63% from integrated circuit verification and analysis services, and 3.91% from other services [1] Group 2 - The fund "Yuanxin Yongfeng Youyue Life" (004959) holds a significant position in Su Test Experiment, having reduced its holdings by 477,500 shares to 800,000 shares, which represents 4.15% of the fund's net value, making it the third-largest holding [2] - The fund has a total scale of 338 million CNY and has achieved a year-to-date return of 5.64%, ranking 2384 out of 8838 in its category, while its one-year return is 47.88%, ranking 2548 out of 8089 [2] Group 3 - The fund manager of "Yuanxin Yongfeng Youyue Life" is Party Wei, who has been in the position for 4 years and 111 days, managing assets totaling 806 million CNY, with the best fund return during his tenure being 58.01% and the worst being 17.37% [3]