AMEC(SH:688012) Xin Lang Cai Jing·2026-01-26 02:10Group 1 - The core point of the news is that Zhongwei Company experienced a 5.03% drop in stock price, closing at 349.06 CNY per share, with a trading volume of 1.935 billion CNY and a turnover rate of 0.87%, resulting in a total market capitalization of 218.562 billion CNY [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 the top ten holdings of funds, one fund under Puyin Ansheng has a significant position in Zhongwei Company. The Puyin Ansheng Sci-Tech Board Comprehensive Index Enhanced A (024083) reduced its holdings by 2,832 shares, maintaining 7,193 shares, which accounts for 1.43% of the fund's net value, ranking as the eighth largest holding [2] - The Puyin Ansheng Sci-Tech Board Comprehensive Index Enhanced A (024083) was established on June 17, 2025, with a latest scale of 54.4683 million CNY. Year-to-date, it has achieved a return of 12.42%, ranking 1,252 out of 5,579 in its category; since inception, it has returned 35.7% [2] - The fund manager of Puyin Ansheng Sci-Tech Board Comprehensive Index Enhanced A (024083) is Sun Chenjin, who has a cumulative tenure of 10 years and 316 days, managing total assets of 1.424 billion CNY, with the best fund return during his tenure being 70.08% and the worst being -27.66% [2]