大盘午后反弹，沪指剑指3900点，A500ETF易方达（159361）等产品成交活跃

Group 1 - The core index of the A-share market, the Shanghai Composite Index, regained the 3850-point level after a midday pullback, with sectors such as rare earth permanent magnets, liquor, and precious metals leading the gains [1] - The CSI A500 Index rose by 1.4%, with several constituent stocks including Robotech, Goldwind Technology, Jiangsu Guotai, China Satellite, and Zhongke Shuguang hitting the daily limit [1] - The A500 ETF managed by E Fund (159361) saw a trading volume of nearly 2 billion yuan during the session, indicating strong investor interest [1] Group 2 - Huaxi Securities noted that the current bull market in A-shares has evolved since the "924" period, with diverse sources of incremental capital, including long-term funds from insurance and pension funds, active trading from margin financing and private equity, and increasing foreign interest [1] - There are early signs of "deposit migration" among residents, suggesting that household funds may continue to enter the market through ETFs, direct stock holdings, and public funds, which could be a key driver for the sustained "slow bull" market [1] - The CSI A500 Index is composed of 500 stocks with large market capitalization and good liquidity across various industries, leveraging a "balanced industry + leading segments" compilation logic to achieve dual-driven growth of "core assets" and "new productive forces" [1]