半导体龙头ETF（159665）开盘跌0.06%，重仓股寒武纪跌0.51%，中芯国际涨0.04%

Group 1 - The core point of the article highlights the performance of the semiconductor leading ETF (159665), which opened at 1.767 yuan and experienced a slight decline of 0.06% [1] - The ETF's major holdings include companies such as Cambrian, which fell by 0.51%, and SMIC, which rose by 0.04%, among others [1] - The ETF's performance benchmark is the National Securities Semiconductor Chip Index, managed by ICBC Credit Suisse Asset Management, with a return of 77.04% since its inception on December 22, 2022, and an 8.28% return over the past month [1]