芯片龙头ETF（516640）开盘涨2.21%，重仓股寒武纪涨2.22%，中芯国际涨1.86%

Group 1 - The core viewpoint of the article highlights the performance of the Chip Leader ETF (516640), which opened with a gain of 2.21% at 1.155 yuan on February 9 [1] - The top holdings of the Chip Leader ETF include companies such as Cambricon, which rose by 2.22%, SMIC with a 1.86% increase, and Haiguang Information, which saw a 3.43% rise [1] - The ETF's performance benchmark is the CSI Chip Industry Index return rate, managed by Fortune Fund Management Co., Ltd., with a return of 13.21% since its establishment on August 19, 2021, and a recent one-month return of -0.47% [1]