沪指冲上3820点，中证A500指数涨超2%，A500ETF易方达（159361）盘中获超2亿份净申购

Group 1 - The core viewpoint of the article highlights a strong performance in the stock market, particularly driven by the AI chip industry, with major technology stocks pushing the Shanghai Composite Index above 3820 points [1] - The CSI A500 Index rose by 2.1%, with notable stocks such as Kunlun Wanwei, Cambricon Technologies, and Haiguang Information hitting a 20% limit-up [1] - The A500 ETF from E Fund (159361) saw a significant trading volume of 2.3 billion yuan and a net subscription of 25.8 million shares, indicating strong investor interest [1] Group 2 - China Galaxy Securities reported an acceleration of investor entry into the market, with a clear trend of reallocating household wealth towards financial assets, driven by a recovery in market risk appetite [1] - The CSI A500 Index consists of 500 stocks with large market capitalization and good liquidity, achieving a dual drive of "core assets" and "new productive forces" through its balanced industry and leading segment composition [1] - The A500 ETF from E Fund (159361) recorded a net inflow of 1.8 billion yuan in the past month, ranking first among related products, with a low management fee rate of 0.15% per year, facilitating low-cost investment in representative A-share companies [1]