MACMIC(SH:688711) Xin Lang Cai Jing·2025-12-26 02:44Group 1 - The core point of the news is that Jiangsu Hongwei Technology Co., Ltd. experienced a 5.1% drop in stock price, closing at 28.45 yuan per share, with a trading volume of 266 million yuan and a turnover rate of 4.32%, resulting in a total market capitalization of 6.062 billion yuan [1] - The company, established on August 18, 2006, and listed on September 1, 2021, 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 business at 1.62%, and others at 0.15% [1] Group 2 - From the perspective of fund holdings, Yongying Fund has one fund heavily invested in Hongwei Technology, specifically the Yongying Manufacturing Upgrade Smart Selection Mixed Fund A (024202), which held 334,900 shares, accounting for 3.34% of the fund's net value, making it the ninth largest holding [2] - The estimated floating loss for the fund today is approximately 512,300 yuan [2] - The Yongying Manufacturing Upgrade Smart Selection Mixed Fund A was established on June 11, 2025, with a latest scale of 59.3587 million yuan and a cumulative return of 23.48% since inception [2]