双创50ETF（588380）开盘跌1.10%，重仓股宁德时代涨0.77%，中芯国际跌1.27%

Group 1 - The core point of the article highlights the performance of the 双创50ETF (588380), which opened down by 1.10% at 0.902 yuan on September 24 [1] - The major holdings of the 双创50ETF include companies like 宁德时代, 中芯国际, and 迈瑞医疗, with varying performance; 宁德时代 increased by 0.77%, while 中际旭创 decreased by 4.21% [1] - The 双创50ETF's performance benchmark is the 中证科创创业50指数, managed by 富国基金管理有限公司, with a return of -9.01% since its inception on June 29, 2021, and a recent one-month return of 21.02% [1]