埃科光电股价涨5.56%，长江资管旗下1只基金重仓，持有7681股浮盈赚取2.7万元

Group 1 - The core viewpoint of the news is the performance and market position of Aiko Optoelectronics, which has seen a stock price increase of 5.56% to 66.82 CNY per share, with a total market capitalization of 4.544 billion CNY [1] - Aiko Optoelectronics, established on March 24, 2011, and listed on July 19, 2023, specializes in the design, research, production, and sales of industrial machine vision imaging components, positioning itself as a leading domestic brand in China's machine vision sector [1] - The company's main business revenue composition includes industrial cameras at 72.03%, with line scan cameras contributing 46.70%, area scan cameras at 25.33%, image acquisition cards at 17.83%, and other supplementary products at 6.34%, along with smart optical units at 3.80% [1] Group 2 - From the perspective of fund holdings, Aiko Optoelectronics is a significant investment for Changjiang Asset Management, with its fund holding 7,681 shares, representing 2.02% of the fund's net value, making it the third-largest holding [2] - The Changjiang Huizhi Quantitative Stock Selection Mixed Fund A (021404) has achieved a year-to-date return of 15.32% and a one-year return of 17.24%, ranking 4,515 out of 8,055 in its category [2] - The fund manager, Zhang Shuai, has been in position for 1 year and 247 days, with the fund's total assets amounting to 86.8311 million CNY, achieving a best return of 33.89% during his tenure [3]