A股延续涨势，A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品受市场关注

Market Overview - A-shares experienced a volatile upward trend today, with total market turnover reaching 1.07 trillion yuan, an increase of over 50 billion yuan compared to the previous half-day session [1] - The major indices showed positive performance, with the CSI A500 index up by 0.3%, the CSI 300 index up by 0.2%, the ChiNext index up by 0.4%, and the STAR Market 50 index up by 0.5% [1] Sector Performance - The PEEK materials and humanoid robot sectors saw significant gains, while the pharmaceutical sector underwent adjustments [1] - The CSI 300 index consists of 300 stocks with good liquidity and large market capitalization, covering 11 primary industry sectors [3] - The CSI A500 index includes 500 securities with large market capitalization and good liquidity, covering 91 out of 93 tertiary industry sectors [3] - The ChiNext index is composed of large-cap stocks from the ChiNext board, with a focus on strategic emerging industries, particularly in power equipment, biomedicine, and electronics, which together account for over 55% of the index [4] - The STAR Market 50 index features 50 stocks with significant market capitalization and liquidity, prominently including "hard technology" leaders, with semiconductors making up over 60% and medical devices, software development, and photovoltaic equipment accounting for over 75% combined [4] - The Hang Seng China Enterprises Index, which tracks 50 large-cap and actively traded stocks listed in Hong Kong, has a broad industry coverage, with consumer discretionary, financials, information technology, and energy sectors making up over 85% [4]