Raytron(SH:688002) Xin Lang Cai Jing·2025-11-04 07:29Core Viewpoint - Ruichuang Micro-Nano has experienced a decline in stock price, with a cumulative drop of 5.68% over the past four days, indicating potential concerns among investors regarding the company's performance and market conditions [1]. Company Overview - Ruichuang Micro-Nano Technology Co., Ltd. is located in Yantai, Shandong, China, and was established on December 11, 2009. The company went public on July 22, 2019. Its main business involves the design and manufacturing of specialized integrated circuits, MEMS sensors, and infrared imaging products [1]. - The revenue composition of the company is as follows: infrared thermal imaging and optoelectronic business accounts for 94.48%, microwave radio frequency business 2.94%, and others 2.59% [1]. Fund Holdings - According to data from the top ten holdings of funds, Hongde Fund has a significant position in Ruichuang Micro-Nano. The Hongde CSI 500 Index Enhanced A Fund (023821) held 5,189 shares in the third quarter, representing 0.74% of the fund's net value, making it the tenth largest holding [2]. - The estimated floating loss for the fund today is approximately 1,712.37 yuan, with a total floating loss of 25,100 yuan during the four-day decline [2]. Fund Manager Performance - The fund manager Su Changjing has a tenure of 9 years and 192 days, managing assets totaling 1.053 billion yuan, with the best fund return during his tenure being 108.64% and the worst being -33.53% [2]. - Co-manager Sun Zeyu has been in position for 1 year and 326 days, managing assets of 667 million yuan, with the best return of 63.97% and the worst return of 7.98% during his tenure [2].