集成电路ETF（159546）开盘跌3.02%，重仓股寒武纪跌0.79%，中芯国际跌1.28%

Group 1 - The Integrated Circuit ETF (159546) opened down 3.02% at 2.084 yuan [1] - Major holdings in the ETF experienced declines, including Cambrian (down 0.79%), SMIC (down 1.28%), and others with significant drops such as Zhaoyi Innovation (down 4.47%) and Tongfu Microelectronics (down 2.88%) [1] - The ETF's performance benchmark is the CSI All-Share Integrated Circuit Index, managed by Guotai Fund Management Company, with a return of 115.09% since its inception on October 11, 2023, and a return of 15.33% over the past month [1]