Raytron(SH:688002) Xin Lang Cai Jing·2025-10-14 05:48Core Viewpoint - Ruichuang Micro-Nano has experienced a decline in stock price, with a 5.13% drop on October 14, bringing the share price to 80.00 yuan, and a total market capitalization of 368.19 billion yuan. The stock has fallen 4.65% over the last three days [1]. Company Overview - Ruichuang Micro-Nano Technology Co., Ltd. is located in the Yantai Free Trade Zone, Shandong, China, and was established on December 11, 2009. The company went public on July 22, 2019. Its main business includes the design and manufacturing of specialized integrated circuits, MEMS sensors, and infrared imaging products. The revenue composition is as follows: infrared thermal imaging and optoelectronic business 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, one fund under the Fortune Fund has a significant position in Ruichuang Micro-Nano. The Fortune SSE STAR 100 Index Initiated A Fund (021329) reduced its holdings by 6,437 shares in the second quarter, holding 68,200 shares, which accounts for 2.73% of the fund's net value, making it the second-largest holding. The estimated floating loss today is approximately 295,200 yuan, with a total floating loss of 280,200 yuan during the three-day decline [2]. Fund Manager Performance - The fund manager of the Fortune SSE STAR 100 Index Initiated A Fund (021329) is Cao Ludi. As of the report, Cao has been in the position for 5 years and 149 days, with total fund assets of 13.739 billion yuan. The best fund return during the tenure is 115.14%, while the worst return is -44.98% [3].