Group 1 - The core viewpoint of the news is that GuoDun Quantum has seen a stock price increase of 5.01%, reaching 565.50 CNY per share, with a total market capitalization of 58.168 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 sectors including government, finance, electricity, and national 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 - TaiPing Fund has a significant holding in GuoDun Quantum, with its TaiPing Industry Select A fund (009537) reducing its holdings by 13,900 shares, now holding 24,400 shares, which represents 5.38% of the fund's net value [2] - The TaiPing Industry Select A fund has achieved a year-to-date return of 4.24%, ranking 1693 out of 5488 in its category, and a one-year return of 63.24%, ranking 726 out of 4192 [2] - The fund manager, Lin Kaisheng, has been in position for 8 years and 246 days, with the fund's total asset size at 449 million CNY and a best return of 74.78% during his tenure [3]

Group 1 - Langxin Group's stock increased by 5.73%, reaching 17.89 CNY per share, with a trading volume of 286 million CNY and a turnover rate of 1.60%, resulting in a total market capitalization of 19.29 billion CNY [1] - Langxin Technology Group Co., Ltd. is located in Wuxi, Jiangsu Province, and was established on May 7, 2003, with its listing date on August 1, 2017. The company's main business involves information technology systems and services in the public utility sector, as well as home internet business, technology research and development, system construction, and business operations [1] - The revenue composition of Langxin Group includes platform operations at 60.91%, software services at 35.11%, and other businesses at 3.98% [1] Group 2 - Taiping Fund has one fund heavily invested in Langxin Group, specifically Taiping Industry Select A (009537), which held 401,400 shares in the third quarter, accounting for 4.91% of the fund's net value, making it the fifth-largest holding [2] - The estimated floating profit from this investment is approximately 389,400 CNY [2] - Taiping Industry Select A (009537) was established on September 1, 2020, with a current scale of 108 million CNY, and has achieved a year-to-date return of 33.35%, ranking 1458 out of 4212 in its category [2]