长盈通股价涨5.28%，永赢基金旗下1只基金重仓，持有49.32万股浮盈赚取152.9万元

Group 1 - The core viewpoint of the news is that Changying Technology has seen a significant increase in its stock price, rising 5.28% to 61.80 CNY per share, with a total market capitalization of 7.959 billion CNY and a cumulative increase of 18.8% over the past four days [1] - Changying Technology, established on May 18, 2010, 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 revenue sources include optical fiber ring devices (57.61%), special optical fibers (19.36%), other supplementary products (11.68%), new materials (7.18%), and optical device equipment (4.17%) [1] Group 2 - Yongying Fund has a significant holding in Changying Technology, with its fund "Yongying Qiyuan Mixed Initiation A" increasing its stake by 463,600 shares, now holding a total of 493,200 shares, representing 4.06% of the fund's net value [2] - The fund has generated a floating profit of approximately 1.529 million CNY today and 4.5821 million CNY during the four-day stock price increase [2] - The fund was established on August 28, 2023, with a current size of 15.6247 million CNY, achieving a year-to-date return of 4.6% and a one-year return of 25.91% [2]