Xin Lang Cai Jing·2025-09-18 02:47Group 1 - The core point of the news is the performance and financial details of Beijing Saiwei Electronics Co., Ltd., which saw a stock price increase of 5.19% to 26.53 CNY per share, with a trading volume of 1.143 billion CNY and a turnover rate of 7.50%, resulting in a total market capitalization of 19.426 billion CNY [1] - The company specializes in MEMS process development and wafer manufacturing, as well as GaN epitaxial material growth and chip design, with its main business revenue composition being 54.30% from MEMS wafer manufacturing, 39.14% from MEMS process development, 4.90% from other sources, and 1.67% from semiconductor equipment [1] Group 2 - From the perspective of fund holdings, one fund under Guotai Haitong Asset Management has a significant position in Saiwei Electronics, with the Guotai Junan CSI 1000 Preferred Stock A Fund (019505) holding 229,300 shares, accounting for 0.89% of the fund's net value, ranking as the tenth largest holding [2] - The fund has achieved a year-to-date return of 39.37%, ranking 1063 out of 4222 in its category, and a one-year return of 92.71%, ranking 732 out of 3804 [2]