大盘震荡上行，“A系列”指数集体涨超1%，A500ETF易方达（159361）半日成交额超30亿元

Group 1 - The CSI A500 index rose by 1.5% at midday, indicating positive market sentiment [1] - The CSI A100 index increased by 1.3%, reflecting strong performance among large-cap stocks [1] - The CSI A50 index saw a 1.0% gain, suggesting stability in the blue-chip segment [1] Group 2 - The A500 ETF managed by E Fund (159361) recorded a trading volume exceeding 3 billion yuan, highlighting significant investor interest [1] - The fund experienced a net subscription of over 20 million shares, indicating strong demand from investors [1]