AECC AST(SH:600391) Xin Lang Cai Jing·2025-12-19 02:10Group 1 - The core viewpoint of the news is that航发科技 (Aero Engine Corporation of China) experienced a stock price increase of 5.86%, reaching 30.18 yuan per share, with a trading volume of 296 million yuan and a turnover rate of 3.03%, resulting in a total market capitalization of 9.963 billion yuan [1] - The company, established on December 28, 1999, and listed on December 12, 2001, is located in Chengdu, Sichuan Province, and specializes in the research, development, manufacturing, sales, and service of aircraft engines and gas turbine components [1] - The main business revenue composition includes 63.59% from domestic aviation and derivative products, 35.26% from foreign trade outsourcing, and 1.15% from industrial civilian products and others [1] Group 2 - Longcheng Fund's Longcheng Prosperity Growth Mixed A (018939) fund entered the top ten circulating shareholders of航发科技, holding 1.5 million shares, which accounts for 0.45% of the circulating shares, with an estimated floating profit of approximately 2.505 million yuan [2] - The Longcheng Prosperity Growth Mixed A fund was established on September 12, 2023, with a latest scale of 55.0329 million yuan, achieving a year-to-date return of 32.27%, ranking 2344 out of 8098 in its category, and a one-year return of 26.08%, ranking 2960 out of 8067 [2] Group 3 - The fund manager of Longcheng Prosperity Growth Mixed A is You Guoliang, who has a cumulative tenure of 6 years and 59 days, managing a total fund asset scale of 4.262 billion yuan, with the best fund return during his tenure being 179.24% and the worst being -15.93% [3]