QuantumCTek(SH:688027) Xin Lang Cai Jing·2026-02-03 02:47Group 1 - The core viewpoint of the news is that GuoDun Quantum has seen a stock price increase of 5.12%, reaching 646.46 CNY per share, with a trading volume of 9.02 billion CNY and a turnover rate of 1.76%, resulting in a total market capitalization of 66.496 billion CNY [1] - GuoDun Quantum Technology Co., Ltd. specializes in the research, production, sales, and technical services of quantum communication products, providing solutions for various industries including government, finance, electricity, and national defense [1] - The company's main business 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 - From the perspective of major fund holdings, one fund under Nuoan has increased its stake in GuoDun Quantum, holding 61,100 shares, which represents 3.39% of the fund's net value, ranking as the ninth largest holding [2] - The Nuoan Research Selected Stock A fund has a total scale of 471 million CNY and has achieved a year-to-date return of 13.43%, ranking 104 out of 5,562 in its category [2] - The fund has also recorded a one-year return of 76.07%, ranking 229 out of 4,285 in its category, and a cumulative return of 424% since its inception [2] Group 3 - The fund manager of Nuoan Research Selected Stock A is Tang Chen, who has been in the position for 3 years and 47 days, managing assets totaling 1.665 billion CNY [3] - During Tang Chen's tenure, the best fund return achieved was 66.67%, while the worst return was 27.8% [3]