“A系列”指数震荡上行，A500ETF易方达（159361）半日成交额达17亿元

Group 1 - The core viewpoint of the news is that the A-share market is showing positive momentum, with key indices such as the 中证A500, 中证A100, and 中证A50 all experiencing gains of 0.3%, 0.7%, and 0.8% respectively [1] - The A500 ETF managed by 易方达 has seen a significant trading volume of 1.7 billion yuan during the first half of the trading day [1] - The latest scale of the A500 ETF has reached a historical high of 18.1 billion yuan as of yesterday [1]