BOCIC(SH:601696) Xin Lang Cai Jing·2025-09-18 02:34Group 1 - The core viewpoint of the news is the significant increase in the stock price of Maolai Optical, which rose by 5.02% to 454.99 CNY per share, with a trading volume of 4.57 billion CNY and a turnover rate of 6.13%, leading to a total market capitalization of 240.23 billion CNY [1] - Maolai Optical, established on August 24, 1999, specializes in the research, design, manufacturing, and sales of precision optical devices, high-end optical lenses, and advanced optical systems. The revenue composition is as follows: optical devices 44.03%, optical lenses 28.34%, optical systems 27.00%, services 0.61%, and others 0.03% [1] Group 2 - According to data from the top ten heavy stocks of funds, a fund under Bank of China Securities holds Maolai Optical as a significant investment. The fund, Bank of China Securities Advantage Manufacturing Stock A (011269), held 7,012 shares in the second quarter, accounting for 2.61% of the fund's net value, ranking as the tenth largest heavy stock. The estimated floating profit today is approximately 152,400 CNY [2] - The Bank of China Securities Advantage Manufacturing Stock A (011269) was established on July 8, 2021, with a latest scale of 60.1665 million CNY. Year-to-date returns are 66.78%, ranking 125 out of 4,222 in its category; the one-year return is 120.2%, ranking 178 out of 3,804; and since inception, the return is 37.34% [2]