Yangtze Optical Electronic (SH:688143) Xin Lang Cai Jing·2025-10-13 02:59Group 1 - The core viewpoint of the news is that Changying Technology has seen a significant increase in stock price, with a rise of 5.68% to 43.74 CNY per share, and a total market capitalization of 5.353 billion CNY [1] - Changying Technology, established on May 18, 2010, and listed on December 12, 2022, specializes in the research, production, and sales of optical fiber gyroscope core components and solutions, focusing on military inertial navigation applications [1] - The company's main business revenue composition includes: optical fiber ring devices (57.61%), special optical fibers (19.36%), other (supplementary) (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [1] Group 2 - From the perspective of fund holdings, Huashan Fund has a significant position in Changying Technology, with its Huashan Daqian Mixed A Fund holding 276,400 shares, accounting for 2.49% of the fund's net value [2] - The Huashan Daqian Mixed A Fund, established on August 23, 2017, has a current scale of 184 million CNY and has achieved a year-to-date return of 31.81% [2] - The fund manager, Shu Hao, has been in position for 7 years and 106 days, with the best fund return during his tenure being 225.27% [3]