科创ETF（588050）开盘跌0.85%，重仓股中芯国际跌1.12%，海光信息跌1.21%

Group 1 - The core point of the article highlights the performance of the Sci-Tech Innovation ETF (588050), which opened down 0.85% at 1.510 yuan on October 28 [1] - Major holdings in the ETF include companies like SMIC, which fell by 1.12%, and Cambrian, which dropped by 1.68%, while Kingsoft Office saw an increase of 4.42% [1] - The ETF's performance benchmark is the Shanghai Stock Exchange Sci-Tech Innovation Board 50 Index, managed by ICBC Credit Suisse Asset Management Company, with a return of 6.10% since its inception on September 28, 2020, and a return of 2.28% over the past month [1]