“A系列”指数低开后持续反弹，A500ETF易方达（159361）半日净申购约2.5亿份

Group 1 - The "A series" indices opened lower but continued to rebound, with the CSI A500 index and CSI A100 index both rising by 0.1%, and the CSI A50 index increasing by 0.02% by midday [1] - The A500 ETF from E Fund (159361) saw a trading volume of nearly 5 billion yuan in the first half of the day, with approximately 250 million shares in net subscriptions [1] - As of December 29, the annualized tracking error of the A500 ETF was only 0.34%, with an excess return of 2.85% relative to the index, ranking first among similar products with over 10 billion yuan in scale [1]