AMEC(SH:688012) Xin Lang Cai Jing·2025-11-20 07:03Group 1 - The core point of the news is that Zhongwei Company experienced a stock decline of 5.03%, with a current share price of 283.50 yuan, a trading volume of 2.876 billion yuan, a turnover rate of 1.59%, and a total market capitalization of 177.512 billion yuan [1] - Zhongwei Semiconductor Equipment (Shanghai) Co., Ltd. was established on May 31, 2004, and went public on July 22, 2019. The company specializes in the research, production, and sales of high-end semiconductor equipment [1] - The main business revenue composition of Zhongwei includes specialized equipment at 86.17%, spare parts at 12.84%, and others at 0.99% [1] Group 2 - From the perspective of fund holdings, one fund under Su Xin has a significant position in Zhongwei Company. The Su Xin SSE Sci-Tech Innovation Index Enhanced A Fund (023937) held 10,900 shares in the third quarter, accounting for 2.1% of the fund's net value, making it the fourth-largest holding [2] - The estimated floating loss for the fund today is approximately 163,500 yuan [2] - The Su Xin SSE Sci-Tech Innovation Index Enhanced A Fund was established on May 20, 2025, with a current scale of 82.6127 million yuan and a cumulative return of 31.73% since inception [2]