Novosense(SH:688052) Xin Lang Cai Jing·2025-09-19 07:16Group 1 - The core viewpoint of the news is that Naxin Microelectronics has experienced a decline in stock price, with a 2.94% drop on September 19, bringing the share price to 181.50 yuan, and a total market capitalization of 25.869 billion yuan [1] - Naxin Microelectronics has seen a cumulative decline of 7.29% over the past three days, indicating a negative trend in its stock performance [1] - The company specializes in the research and sales of high-performance, high-reliability analog integrated circuits, with its main business revenue composition being 38.45% from signal chain products, 34.09% from power management products, and 27.11% from sensor products [1] Group 2 - From the perspective of fund holdings, Changcheng Fund has a significant position in Naxin Microelectronics, with its fund holding 9,234 shares, representing 1.96% of the fund's net value, making it the sixth-largest holding [2] - The fund has incurred a floating loss of approximately 50,700 yuan today, with a total floating loss of 131,900 yuan during the three-day decline [2] - The fund manager, Lei Jun, has a tenure of 10 years and 274 days, with the fund's total asset scale at 3.443 billion yuan, achieving a best return of 169.76% and a worst return of -89.53% during his management [2]