Raytron(SH:688002) Xin Lang Cai Jing·2026-01-13 03:10Group 1 - The core viewpoint of the news is that Ruichuang Micro-Nano's stock has experienced a decline of 5.09%, with a current price of 108.44 yuan per share and a total market capitalization of 499.08 billion yuan [1] - Ruichuang Micro-Nano, 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 company's main business revenue composition 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 - Donghai Fund has one fund heavily invested in Ruichuang Micro-Nano, specifically the Donghai Core Value Fund (006538), which reduced its holdings by 700 shares in the third quarter, now holding 1,300 shares, accounting for 3.32% of the fund's net value [2] - The Donghai Core Value Fund has a current scale of 346.25 million yuan, with a year-to-date return of 12.24%, ranking 518 out of 8,836 in its category, and a one-year return of 37.39%, ranking 3,758 out of 8,091 [2] Group 3 - The fund manager of Donghai Core Value Fund (006538) is Shao Wei, who has been in the position for 3 years and 131 days, with the fund's total asset scale at 48.244 million yuan [3] - During Shao Wei's tenure, the best fund return was 4.56%, while the worst return was -22.87% [3]