大盘全天震荡调整，持续关注A500ETF易方达（159361）、沪深300ETF易方达（510310）配置价值

Market Overview - The A-share market experienced a day of volatility with all three major indices continuing to decline, while sectors such as AI applications and software development saw gains, and sectors like batteries, coal, and steel faced losses [1] - The CSI A500 index fell by 0.8%, the CSI 300 index decreased by 0.7%, and the ChiNext index dropped by 1.2%, while the STAR Market 50 index rose by 0.3% [1] - The Hang Seng Index also saw a significant pullback, with major sectors including finance, internet, and innovative pharmaceuticals collectively declining, although the semiconductor sector showed some localized activity [1] Index Performance - The CSI 300 index, composed of 300 large and liquid stocks from the Shanghai and Shenzhen markets, recorded a decrease of 0.7% with a rolling P/E ratio of 14.1 times [3] - The CSI A500 index, which includes 500 stocks with larger market capitalization and liquidity, fell by 0.8% and has a rolling P/E ratio of 16.7 times [3] - The Hang Seng China Enterprises Index, tracking 50 large and actively traded mainland Chinese companies listed in Hong Kong, declined by 1.7% with a rolling P/E ratio of 10.7 times [7]