AMEC(SH:688012) Xin Lang Cai Jing·2025-11-05 02:42Group 1 - The core point of the news is the decline in the stock price of Zhongwei Company, which fell by 5.03% to 278.13 CNY per share, with a trading volume of 1.778 billion CNY and a turnover rate of 1.00%, resulting in a total market capitalization of 174.15 billion CNY [1] - Zhongwei Semiconductor Equipment (Shanghai) Co., Ltd. is located in the Pudong New Area of Shanghai and was established on May 31, 2004, with its listing date on July 22, 2019. The company's main business involves the research, production, and sales of high-end semiconductor equipment [1] - The revenue composition of Zhongwei Company includes 86.17% from specialized equipment, 12.84% from spare parts, and 0.99% from other sources [1] Group 2 - From the perspective of fund holdings, one fund under Puyin Ansheng has a significant position in Zhongwei Company. The Puyin Ansheng Sci-Tech Board Comprehensive Index Enhanced A (024083) held 10,000 shares in the third quarter, accounting for 1.83% of the fund's net value, making it the fifth-largest holding [2] - The estimated floating loss for the fund today is approximately 147,600 CNY [2] - The Puyin Ansheng Sci-Tech Board Comprehensive Index Enhanced A (024083) was established on June 17, 2025, with a latest scale of 67.4182 million CNY and has achieved a return of 20.72% since inception [2]