MACMIC(SH:688711) Xin Lang Cai Jing·2025-10-10 02:25Group 1 - The core point of the news is that Jiangsu Hongwei Technology Co., Ltd. experienced a stock decline of 5.32%, with a current share price of 26.51 yuan and a total market capitalization of 5.649 billion yuan [1] - The company, established on August 18, 2006, specializes in the design, research and development, production, and sales of power semiconductor chips, including IGBT and FRED [1] - The revenue composition of the company's main business includes modules (packaging) at 73.83%, single tubes (packaging) at 22.67%, chips at 1.72%, entrusted processing at 1.62%, and others at 0.15% [1] Group 2 - From the perspective of fund holdings, only one fund under Wan Jia Fund has a significant position in Hongwei Technology, specifically the Wan Jia Guo Zheng 2000 ETF, which held 190,100 shares, accounting for 0.41% of the fund's net value [2] - The Wan Jia Guo Zheng 2000 ETF was established on June 29, 2022, with a latest scale of 808 million yuan and has achieved a year-to-date return of 32.09% [2] - The fund manager, Yang Kun, has been in position for 5 years and 354 days, with a total asset scale of 14.776 billion yuan and a best fund return of 81.38% during his tenure [3]