半导体ETF（159813）开盘跌0.29%，重仓股寒武纪跌1.19%，中芯国际跌0.88%

Group 1 - The semiconductor ETF (159813) opened down 0.29% at 1.027 yuan [1] - Major holdings in the semiconductor ETF include companies like Cambricon, SMIC, and Huagong Information, with varying performance on the opening day [1] - The ETF's performance benchmark is the National Securities Semiconductor Chip Index, managed by Penghua Fund Management Co., with a return of 54.60% since its inception on April 17, 2020, and a recent one-month return of -12.71% [1]