中证2000ETF嘉实（159535）开盘跌0.45%，重仓股每日互动跌0.72%，汉威科技跌0.02%

Group 1 - The core viewpoint of the article highlights the performance of the 中证2000ETF嘉实 (159535), which opened with a decline of 0.45% at 1.337 yuan [1] - The fund's performance benchmark is the 中证2000 index return, managed by 嘉实基金管理有限公司, with a return of 34.32% since its establishment on September 14, 2023, and an 8.90% return over the past month [1] Group 2 - The top holdings of 中证2000ETF嘉实 (159535) include stocks such as 每日互动, 汉威科技, 宏创控股, 东土科技, 恒宝股份, 台基股份, 热景生物, 仕佳光子, 泰恩康, and 益方生物, with varying performance on the opening day [1] - Specific stock performances on the opening day include 每日互动 down 0.72%, 汉威科技 down 0.02%, 宏创控股 up 0.06%, 东土科技 up 0.31%, 恒宝股份 down 0.54%, 台基股份 up 0.44%, 热景生物 down 0.75%, 仕佳光子 down 0.81%, 泰恩康 up 0.03%, and 益方生物 down 1.86% [1]