大盘延续回调，关注A500ETF易方达（159361）、沪深300ETF易方达（510310）等投资机会

Market Overview - The A-share market saw a collective decline in the three major indices, with the CSI A500 index down by 1.9%, the CSI 300 index down by 1.8%, the ChiNext index down by 3.0%, and the STAR Market 50 index down by 0.4% as of the midday close [1] - The Hang Seng Index experienced a significant drop, with the Hang Seng China Enterprises Index down by 3.5% [1] Sector Performance - In the A-share market, sectors such as rare earth permanent magnets, precious metals, photolithography machines, genetically modified organisms, military equipment, and semiconductors showed positive performance, while automotive parts, consumer electronics, humanoid robots, CPO, and CRO concept stocks faced declines [1] - The Hang Seng market saw weakness in internet stocks, although there was some activity in the software and semiconductor sectors [1] Index Details - The CSI 300 index consists of 300 stocks with good liquidity from the Shanghai and Shenzhen markets, covering 11 primary industry categories, with a rolling P/E ratio of 14.2 times and a valuation percentile of 65.9% since its inception in 2005 [3] - The CSI A500 index includes 500 securities with good liquidity across various industries, covering 91 out of 93 tertiary industries, with a rolling P/E ratio of 16.9 times and a valuation percentile of 73.4% since its inception in 2004 [3] - The ChiNext index is composed of 100 stocks with good liquidity from the ChiNext board, with a significant focus on strategic emerging industries, particularly in the power equipment, communication, and electronics sectors, which together account for nearly 60% of the index [3] - The Hang Seng China Enterprises Index includes 50 large-cap, actively traded stocks listed in Hong Kong, with nearly 85% of the index covering consumer discretionary, information technology, financials, and energy sectors, and a rolling P/E ratio of 10.7 times with a valuation percentile of 65.5% since its inception in 2002 [4]