集成电路ETF（159546）开盘跌0.42%，重仓股中芯国际跌0.99%，海光信息跌0.89%

Group 1 - The integrated circuit ETF (159546) opened down 0.42% at 1.896 yuan [1] - Major holdings in the ETF include companies like SMIC, which opened down 0.99%, and Huada Semiconductor, which fell 0.89% [1] - The ETF's performance benchmark is the CSI All Share Integrated Circuit Index return, managed by Guotai Fund Management Co., Ltd. [1] Group 2 - Since its establishment on October 11, 2023, the ETF has achieved a return of 90.00%, with a monthly return of 13.00% [1] - Other notable stock movements include Cambrian rising 0.14%, and companies like Zhaoyi Innovation and Changdian Technology showing slight increases of 0.51% and 0.10% respectively [1]