BOCIC(SH:601696) Xin Lang Cai Jing·2025-09-02 02:59Group 1 - The stock of Shenzhen Taicheng Light Communication Co., Ltd. (太辰光) fell by 5.02% to 135.01 CNY per share, with a trading volume of 1.784 billion CNY and a turnover rate of 6.68%, resulting in a total market capitalization of 30.664 billion CNY [1] - The company, established on December 12, 2000, and listed on December 6, 2016, specializes in the research, production, and sales of optical devices, with 98.02% of its revenue coming from optical device products [1] Group 2 - According to data, a fund under Bank of China Securities holds a significant position in Taicheng Light, with 30,000 shares representing 5.01% of the fund's net value, making it the fourth-largest holding [2] - The Bank of China Securities Preferred Industry Leader Mixed A Fund (009640) has a total scale of 40.5061 million CNY and has achieved a year-to-date return of 64.09%, ranking 380 out of 8184 in its category [2] - The fund manager, Song Fangyun, has been in position for 2 years and 254 days, with the best fund return during this period being 27.29% and the worst being -39.29% [2]