长盈通股价涨5.05%，贝莱德基金旗下1只基金位居十大流通股东，持有160万股浮盈赚取369.6万元

Group 1 - The core viewpoint of the news is the performance and market position of Changying Tong, a company specializing in optical fiber gyroscope technology, which saw a stock price increase of 5.05% to 48.01 CNY per share, with a total market capitalization of 5.875 billion CNY [1] - Changying Tong was established on May 18, 2010, and went public on December 12, 2022, focusing on the research, production, and sales of optical fiber ring devices and related solutions, primarily for military inertial navigation applications [1] - The company's revenue composition includes optical fiber ring devices (57.61%), special optical fibers (19.36%), other supplementary products (11.68%), new materials (7.18%), and optical device equipment and others (4.17%) [1] Group 2 - Among the top ten circulating shareholders of Changying Tong, BlackRock's China New Horizons Mixed A Fund (013426) reduced its holdings by 200,000 shares, now holding 1.6 million shares, which represents 1.69% of the circulating shares [2] - The China New Horizons Mixed A Fund has a current scale of 1.967 billion CNY, with a year-to-date return of 10.9% and a one-year return of 26.58% [2] - The fund manager, Shen Yufei, has a tenure of 12 years and 268 days, with the best fund return during this period being 141.7% [3]