Raytron(SH:688002) Xin Lang Cai Jing·2026-02-03 02:36Group 1 - The core viewpoint of the news is that Ruichuang Micro-Nano Technology Co., Ltd. has seen a stock price increase of 5.1%, reaching 113.72 yuan per share, with a total market capitalization of 52.338 billion yuan [1] - The company, established on December 11, 2009, and listed on July 22, 2019, specializes in the design and manufacturing of application-specific integrated circuits, MEMS sensors, and infrared imaging products [1] - The main revenue composition of the company includes 94.48% from infrared thermal imaging and optoelectronic business, 2.94% from microwave radio frequency business, and 2.59% from other sources [1] Group 2 - From the perspective of fund holdings, one fund under Tongtai Fund has a significant position in Ruichuang Micro-Nano, with an increase of 1,034 shares in the fourth quarter, bringing the total to 4,107 shares, which represents 0.28% of the fund's net value [2] - The fund, Tongtai Tongxin Mixed A (013657), was established on December 27, 2021, and has a current scale of 49.4521 million yuan, with a year-to-date return of 1.42% and a one-year return of 5.41% [2] - The fund manager, Ma Yi, has a tenure of 11 years and 324 days, with the best fund return during this period being 48.65% and the worst being -7.51% [2]