半导体龙头ETF工银（159665）开盘跌1.00%，重仓股中芯国际跌1.89%，海光信息跌1.54%

Group 1 - The semiconductor leading ETF, 工银 (159665), opened down 1.00% at 1.980 yuan [1] - Major holdings in the ETF include 中芯国际 down 1.89%, 海光信息 down 1.54%, and several others with varying declines, while 拓荆科技 saw a slight increase of 0.02% [1] - The ETF's performance benchmark is the 国证半导体芯片指数, managed by 工银瑞信基金管理有限公司, with a return of 100.14% since its inception on December 22, 2022, and a 1.67% return over the past month [1]