中科海讯股价涨5.5%，长盛基金旗下1只基金重仓，持有23.11万股浮盈赚取50.84万元

Group 1 - Zhongke Haixun's stock increased by 5.5%, reaching 42.18 CNY per share, with a trading volume of 272 million CNY and a turnover rate of 5.81%, resulting in a total market capitalization of 4.979 billion CNY [1] - Zhongke Haixun, established on July 18, 2005, and listed on December 6, 2019, specializes in the research, production, and sales of sonar-related products [1] - The company's main business revenue composition includes: signal processing platform (41.94%), underwater big data and simulation systems (39.42%), sonar systems (17.69%), and others (0.95%) [1] Group 2 - Changsheng Fund holds a significant position in Zhongke Haixun, with its Changsheng Aerospace Marine Mixed A Fund (000535) owning 231,100 shares, accounting for 4.28% of the fund's net value, making it the sixth-largest holding [2] - The Changsheng Aerospace Marine Mixed A Fund, established on March 11, 2014, has a current scale of 155 million CNY and has achieved a year-to-date return of 13.91%, ranking 4552 out of 8209 in its category [2] - The fund has a one-year return of 10.73%, ranking 4861 out of 8129, and a cumulative return since inception of 154.47% [2]