流动性方面，港股通科技ETF嘉实盘中换手20.96%，成交7065.44万元，市场交投活跃。拉长时间看，截至8月21日，港股通科技ETF嘉实近1年日均成交 6475.89万元。 截至2025年8月22日 13:34，港股通科技ETF嘉实(520670)上涨3.02%；成分股方面，华虹半导体涨超11%，中兴通讯涨超10%，黑芝麻智能、中芯国际等跟 涨。 港股通科技ETF嘉实紧密跟踪恒生港股通科技主题指数，恒生港股通科技主题指数（「HSSCITI」）旨在反映能通过港股通买卖，业务与科技主题相关的香 港上市公司之表现。 伴随着龙头中报业绩的验证、美联储降息预期的强化、Al商业化进程的加速，市场对于港股科技板块的信心逐步回归，资金开始提前蓄力伏击，关注其补涨 潜力。国投证券表示，从60日滚动收益率差值来看，历史上创业板指和恒生科技两者存在明确交替轮动关系，当创业板指涨幅领先恒生科技20pct时，多数 意味着恒生科技指数相对将迎来补涨，目前两者收益率差值已经来到18pct。 申万宏源证券认为，港股指数层面的阶段性跑输只是对前期上涨较快的阶段性盘整，而伴随着中报季业绩披露的逐渐展开，此前业绩预期较低的板块有望重 新获得市 ...

Market Performance - A-shares continued strong performance with the Shanghai Composite Index reaching a ten-year high since August 2015, while the North Star 50 hit a historical peak. The Shenzhen Composite Index and ChiNext Index also surpassed their previous highs from October 2022. The Shanghai Composite Index rose by 0.85%, the Shenzhen Composite Index increased by 1.73%, and the ChiNext Index gained 2.84%. The total trading volume in the Shanghai and Shenzhen markets reached 27,642 billion, a significant increase of 5,196 billion compared to the previous trading day [1]. ETF Performance - The top-performing ETFs included rare earth and artificial intelligence-related funds, with the rare earth ETF from E Fund (159715) leading with a 6.31% increase, followed closely by another rare earth ETF (159713) at 6.22%. The ChiNext artificial intelligence ETF from Southern Fund (159382) rose by 5.87% [2][3]. Industry Insights - The global liquidity easing expectations have provided support for metal prices, with many metal varieties facing supply rigidity due to capital expenditures. The overall valuation remains low, indicating potential for price increases in the future. The non-ferrous metals sector, particularly rare earths, tungsten, cobalt, and antimony, is expected to see upward momentum due to improved supply-demand dynamics and policy support [3]. - The demand for rare earths is anticipated to improve further due to the development of emerging industries such as new energy and humanoid robots, leading to a more favorable supply-demand balance and long-term price increases [3]. Artificial Intelligence Sector - The AI sector is expected to continue its innovation trajectory in the second half of 2025, accelerating growth across the industry chain. Analysts recommend focusing on the "AI mainline" and see opportunities in AI applications and computing power sectors. The AI sector has not yet reached overheating levels, suggesting further expansion into more AI-related fields [4]. ETF Trading Activity - The Hong Kong Securities ETF (513090) recorded the highest trading volume at 33 billion. Other notable ETFs included the Short-term Bond ETF (211360) and Silver Hua Li ETF (211880) [7][8]. The turnover rate for the Sci-Tech Growth ETF (588070) was the highest at 337% [8]. New ETF Launches - A new AI-focused ETF from Huatai-PineBridge (589560) will begin fundraising, closely tracking the Shanghai Stock Exchange Sci-Tech Innovation Board AI Index, which includes 30 companies in the AI sector. This index emphasizes semiconductor companies and high R&D investment [9][10].