市场本周承压，持续关注A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品配置价值

Market Overview - The market remains under pressure this week, with all three major A-share indices experiencing collective adjustments [1] - The Shanghai Composite Index fell by 3.8%, the CSI 500 Index decreased by 4.3%, the ChiNext Index dropped by 6.2%, the STAR Market 50 Index declined by 5.5%, and the Hang Seng China Enterprises Index decreased by 5.1% [1][3] Sector Performance - Active sectors included China Shipbuilding, cultural media, and cloud office, while sectors such as batteries, coal, photovoltaic equipment, industrial metals, and pharmaceutical commerce saw significant declines [1] - In the Hong Kong market, bank stocks rose against the trend, while pharmaceutical and technology stocks continued to adjust [1] Index Performance Metrics - The rolling price-to-earnings (P/E) ratios for the indices are as follows: - CSI 300 Index: 14.1 times - CSI 500 Index: 16.6 times - ChiNext Index: 39.2 times - STAR Market 50 Index: 149.8 times - Hang Seng China Enterprises Index: 10.5 times [3][4] Historical Performance - The cumulative performance over the past month shows declines across the indices, with the CSI 300 Index down by 3.0%, the CSI 500 Index down by 3.1%, and the ChiNext Index down by 4.6% [6] - Year-to-date performance indicates positive growth for all indices, with the CSI 300 Index up by 13.2%, the CSI 500 Index up by 15.6%, and the ChiNext Index up by 36.4% [6]