QuantumCTek(SH:688027) Xin Lang Cai Jing·2025-10-29 02:01Group 1 - The core point of the news is that GuoDun Quantum's stock has seen a significant increase, rising 5.66% to 486.03 CNY per share, with a total market capitalization of 49.994 billion CNY and a cumulative increase of 21.05% over the past four days [1] - GuoDun Quantum Technology Co., Ltd. specializes in the research, production, and sales of quantum communication products, providing solutions for various sectors including government, finance, and defense [1] - The company's revenue composition includes: technical services (35.68%), quantum communication products (34.31%), quantum precision measurement products (13.03%), quantum computing products (12.42%), and others (4.56%) [1] Group 2 - According to data, Huaxia Fund holds a significant position in GuoDun Quantum, with the Huaxia SSE STAR 100 ETF reducing its holdings by 88,000 shares in Q3, now holding 141,800 shares, which represents 1.73% of the fund's net value [2] - The Huaxia SSE STAR 100 ETF has achieved a year-to-date return of 52.88%, ranking 561 out of 4216 in its category, and a one-year return of 50%, ranking 595 out of 3877 [2]