长川科技股价涨5.5%，瑞达基金旗下1只基金重仓，持有1.33万股浮盈赚取8.98万元

Group 1 - The core viewpoint of the news is that Changchuan Technology's stock has increased by 5.5%, reaching a price of 129.56 yuan per share, with a trading volume of 1.261 billion yuan and a turnover rate of 2.05%, resulting in a total market capitalization of 82.193 billion yuan [1] - Changchuan Technology, established on April 10, 2008, and listed on April 17, 2017, is located in Hangzhou, Zhejiang Province, and specializes in the research, production, and sales of integrated circuit equipment [1] - The company's main business revenue composition includes testing machines at 57.68%, sorting machines at 32.73%, and other products at 9.59% [1] Group 2 - According to data from the top ten heavy stocks of funds, one fund under Ruida holds a significant position in Changchuan Technology, with 13,300 shares, accounting for 3.91% of the fund's net value, making it the sixth-largest heavy stock [2] - The Ruida Advanced Manufacturing Mixed Fund A (018226), established on April 14, 2023, has a latest scale of 15.1825 million yuan, with a year-to-date return of 1.87% and a one-year return of 56.23% [2] - The fund manager, Zhang Xiying, has a cumulative tenure of 1 year and 247 days, with the fund's total asset scale at 108 million yuan, achieving a best return of 103.01% and a worst return of 3.16% during the tenure [2]