沪指涨0.64%再次站上3900点，关注A500ETF易方达（159361）、沪深300ETF易方达（510310）投资价值

Group 1 - The A-share market showed strong performance with all three major indices rising, with the Shanghai Composite Index increasing by 0.64% to surpass 3900 points, and nearly 3500 stocks in the market gaining [1] - The active sectors included Hainan, storage chips, and precious metals, while the pharmaceutical and film sectors experienced adjustments [1] - The Hong Kong stock market exhibited mixed performance, with semiconductor stocks leading gains, while automotive, robotics, and software sectors also saw significant increases, and the pharmaceutical and high-dividend sectors weakened [1] Group 2 - The CSI A500 index rose by 1.1%, the CSI 300 index increased by 0.8%, the ChiNext index climbed by 1.8%, and the STAR Market 50 index surged by 2.0% by midday [1] - The Hang Seng China Enterprises Index saw a modest increase of 0.3% [1] Group 3 - The STAR Market 50 ETF tracks the STAR Market 50 Index, which consists of 50 stocks with large market capitalization and good liquidity, predominantly in the semiconductor sector, accounting for over 65% [4] - The rolling price-to-earnings ratio of the STAR Market 50 Index is 155.4 times, with a valuation percentile of 95.7% since its inception in 2020 [4] Group 4 - The Hang Seng China Enterprises ETF tracks the Hang Seng China Enterprises Index, which includes 50 large-cap and actively traded stocks listed in Hong Kong, covering a wide range of industries [5] - The index's sector distribution includes consumer discretionary, information technology, finance, and energy, which together account for nearly 85% [5] - The rolling price-to-earnings ratio of the Hang Seng China Enterprises Index is 10.4 times, with a valuation percentile of 63.0% since its inception in 2002 [5]