“A系列”指数震荡分化，关注A500ETF易方达（159361）等产品投资机会

Group 1 - The core viewpoint of the news is the performance of various indices and the trading activity of related ETFs, highlighting the mixed results in the market [1] - The CSI A500 index increased by 0.1%, while the CSI A100 index decreased by 0.2%, and the CSI A50 index fell by 0.4% [1] - The A500 ETF by E Fund (159361) recorded a trading volume exceeding 4 billion yuan during the first half of the trading day [1] Group 2 - According to Wind data, the A500 ETF by E Fund (159361) has a 2025 annualized tracking error of only 0.34% [1] - The relative excess return of the A500 ETF is 2.86%, ranking first among similar products with a scale of over 10 billion yuan [1]