大盘震荡调整，关注A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品布局机会

Market Overview - The A-share market experienced a collective adjustment with nearly 3,000 stocks in the market showing gains. The leading sectors included cultivated diamonds, photovoltaic equipment, battery chemicals, and non-ferrous metals, while sectors such as coal mining, insurance, liquor, AI corpus, computing hardware, and securities saw declines [1] - The Hong Kong stock market also faced a pullback, with construction materials, steel, and real estate sectors rising against the trend, while technology and pharmaceutical stocks generally retreated [1] Index Performance - The CSI 300 Index fell by 0.7% at midday, with a rolling price-to-earnings (P/E) ratio of 14.4 times, placing it in the 67.3% valuation percentile since its inception in 2005 [2] - The CSI A500 Index decreased by 0.6% at midday, with a rolling P/E ratio of 16.9 times, corresponding to a 73.2% valuation percentile since its launch in 2004 [2] - The ChiNext Index, which tracks 100 large-cap stocks in the ChiNext market, dropped by 0.7% at midday, with a rolling P/E ratio of 41.0 times, placing it in the 35.3% valuation percentile since its inception in 2010 [2] - The STAR Market 50 Index, which includes 50 large-cap stocks from the STAR Market, also fell by 0.7% at midday, with a rolling P/E ratio of 160.0 times, corresponding to a 96.3% valuation percentile since its launch in 2020 [2] Hong Kong Market Index - The Hang Seng China Enterprises Index, which consists of 50 large-cap and actively traded stocks listed in Hong Kong, declined by 0.3% at midday, with a rolling P/E ratio of 10.9 times, placing it in the 66.6% valuation percentile since its inception in 2002 [4]