大盘震荡走强，A500ETF易方达（159361）、沪深300ETF易方达（510310）等产品成交活跃

Market Overview - A-shares showed strong performance in the morning session, with total market turnover reaching 1.75 billion, a significant increase of 469 billion compared to the previous day [1] - The CPO, AI glasses, and liquid cooling server sectors led the gains in the AI industry chain, while sectors such as liquor, coal, education, and real estate experienced declines [1] - By midday, the CSI A500 index rose by 1%, the CSI 300 index increased by 0.7%, the ChiNext index surged by 2.4%, and the STAR Market 50 component index jumped by 4.2% [1] Index Performance - The CSI 300 index, which tracks 300 large and liquid stocks from the A-share market, recorded a midday increase of 0.7% with a rolling P/E ratio of 14.1 times, placing it in the 63.9% valuation percentile since its inception in 2005 [3] - The CSI A500 index, covering 500 liquid stocks across various industries, saw a 1.0% increase at midday, with a rolling P/E ratio of 16.5 times, ranking in the 70.2% valuation percentile since its launch in 2004 [3] - The ChiNext index, which consists of 100 large and liquid stocks from the ChiNext board, rose by 2.4% at midday, with a rolling P/E ratio of 39.2 times, placing it in the 31.1% valuation percentile since its inception in 2010 [3] - The STAR Market 50 index, composed of 50 large and liquid stocks from the STAR Market, increased by 4.2% at midday, with a notably high rolling P/E ratio of 177.4 times, ranking in the 99.9% valuation percentile since its launch in 2020 [3] Hong Kong Market - The Hong Kong stock market opened higher but experienced fluctuations, with the healthcare sector undergoing adjustments [1] - The Hang Seng China Enterprises Index, which tracks 50 large and actively traded Chinese companies listed in Hong Kong, saw a slight increase of 0.1% at midday, with a rolling P/E ratio of 10.5 times, placing it in the 64.3% valuation percentile since its inception in 2002 [4]