美湖股份股价涨5.03%，长城基金旗下1只基金重仓，持有43.73万股浮盈赚取77.41万元

Group 1 - The core viewpoint of the news is that Meihu Co., Ltd. has seen a significant increase in its stock price, rising by 5.03% to 36.94 yuan per share, with a total market capitalization of 12.528 billion yuan as of the report date [1] - Meihu Co., Ltd. specializes in the research, manufacturing, and sales of key components for engine systems, with its main business revenue composition being: diesel engine oil pumps (28.57%), components for new energy vehicles (21.57%), gasoline engine oil pumps (15.28%), and others [1] - The company was established on July 4, 1994, and was listed on November 30, 2016, indicating a long history in the industry [1] Group 2 - Changcheng Fund has a significant holding in Meihu Co., Ltd., with its Changcheng Jiuxin Mixed A Fund increasing its stake by 240,200 shares in the third quarter, now holding 437,300 shares, which represents 6.75% of the fund's net value [2] - The Changcheng Jiuxin Mixed A Fund has achieved a year-to-date return of 60.6%, ranking 359 out of 8,127 in its category, and a one-year return of 63.6%, ranking 314 out of 8,059 [2] - The fund manager, Yu Huan, has been in position for nearly 5 years, with the best fund return during this period being 32.36% and the worst being -34.5% [3]