埃科光电股价涨5.29%，长江资管旗下1只基金重仓，持有7681股浮盈赚取2.74万元

Group 1 - The core viewpoint of the news is the performance and market position of Aiko Optoelectronics, which saw a stock price increase of 5.29% to 71.00 CNY per share, with a total market capitalization of 4.828 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 fund, Changjiang Huizhi Quantitative Stock Mixed Initiation A (021404), has a total scale of 21.5795 million CNY and has achieved a year-to-date return of 14.1%, ranking 5,372 out of 8,147 in its category [2] - The fund manager, Zhang Shuai, has been in position for 1 year and 239 days, with the fund's total assets amounting to 86.8311 million CNY, achieving a best return of 31.54% during his tenure [3]