大盘震荡回调，关注A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品投资机会

Market Overview - A-shares experienced a pullback in early trading, with mixed performance across the three major indices. The ChiNext Index rose by 0.3%, while sectors such as nuclear fusion and superconductors saw significant gains. Conversely, multi-financial and real estate sectors faced declines [1] - The Hong Kong stock market opened higher but subsequently fell, with sectors like defense, electric equipment, and banking showing strength, while semiconductor and other tech sectors continued to adjust [1] Index Performance - By midday, the CSI A500 Index and the CSI 300 Index both declined by 0.2%. The ChiNext Index increased by 0.3%, while the SSE STAR 50 Index fell by 1.0%. The Hang Seng China Enterprises Index decreased by 0.1% [1] Index Details - The CSI 300 Index consists of 300 stocks from the Shanghai and Shenzhen markets, covering 11 primary industries, with a rolling P/E ratio of 14.0 times [3] - The CSI A500 Index includes 500 securities from various industries, covering 91 out of 93 tertiary industries, with a rolling P/E ratio of 16.5 times [3] - The ChiNext Index is composed of 100 stocks from the ChiNext market, with a high proportion of strategic emerging industries, particularly in electric equipment, communication, and electronics, which together account for nearly 60% [4] - The SSE STAR 50 Index includes 50 stocks from the STAR market, characterized by "hard technology" leaders, particularly in the semiconductor sector [5] - The Hang Seng China Enterprises Index tracks 50 large-cap, actively traded stocks listed in Hong Kong, with a broad industry coverage, where consumer discretionary, information technology, finance, and energy sectors account for nearly 85% [7]