Summary of Key Points Core Viewpoint - The Hong Kong stock market experienced significant net selling from northbound capital, totaling 40.69 billion HKD, with notable net selling in both Shanghai and Shenzhen stock connects [1]. Group 1: Northbound Capital Flow - Northbound capital recorded a net selling of 40.69 billion HKD, with 23.22 billion HKD from Shanghai Stock Connect and 17.47 billion HKD from Shenzhen Stock Connect [1]. - The most net bought stocks by northbound capital included Alibaba-W (09988), SMIC (00981), and Kangfang Biotech (09926) [1]. - The most net sold stocks included the Tracker Fund of Hong Kong (02800), Hang Seng China Enterprises Index (02828), and Huahong Semiconductor (01347) [1]. Group 2: Individual Stock Performance - Alibaba-W (09988) saw a net inflow of 7.12 billion HKD, with a total trading volume of 76.09 billion HKD [2]. - SMIC (00981) had a net inflow of 5.73 billion HKD, with total trading volume reaching 58.35 billion HKD [2]. - Kangfang Biotech (09926) recorded a net inflow of 2.19 billion HKD, driven by positive news regarding its clinical research [7]. Group 3: Market Reactions and Trends - The Tracker Fund of Hong Kong (02800) and Hang Seng China Enterprises Index (02828) faced significant net selling of 32.71 billion HKD and 9.93 billion HKD respectively, indicating a bearish sentiment towards these ETFs [8]. - The technology sector in Hong Kong has shown a rebound, with indices rising nearly 20% since July, influenced by advancements in AI and expectations of further market improvements [8].

Market Overview - On September 23, the Hong Kong stock market saw a net sell-off of 40.69 billion HKD from Northbound trading, with 23.22 billion HKD from Shanghai Stock Connect and 17.47 billion HKD from Shenzhen Stock Connect [2] Top Net Buy Stocks - Alibaba-W (09988) received the highest net buy of 16.73 billion HKD, supported by promotional activities and incentives for merchants [6][7] - Semiconductor stocks showed mixed results, with SMIC (00981) gaining a net buy of 5.02 billion HKD, while Hua Hong Semiconductor (01347) faced a net sell of 2.33 billion HKD [7] - Kangfang Bio (09926) attracted a net buy of 2.19 billion HKD, bolstered by its participation in a significant clinical study [7] Top Net Sell Stocks - The ETF Yingfu Fund (02800) and Hang Seng China Enterprises (02828) experienced significant net sell-offs of 32.71 billion HKD and 9.93 billion HKD, respectively [8] - Tencent (00700), Xiaomi Group-W (01810), and Shanda Holdings (00412) also faced net sells of 2.22 billion HKD, 2.86 billion HKD, and 0.30 billion HKD [8] Sector Insights - The technology sector has shown a rebound, with the Hang Seng Technology Index rising nearly 20% since July [8] - The market sentiment may improve further due to new rounds of monetary easing from the Federal Reserve and advancements in the internet and technology sectors [8]

8月18日，重点布局国产AI产业链的科创人工智能ETF（589520）场内价格现涨2.49%，继续刷新上市以来的高点！成份股方面，石头科技涨超9%，恒玄科 技涨逾4%，凌云光涨超3%，涨幅居前；权重股方面，寒武纪涨超1%，金山办公涨超2%。 或由于资金看好国产替代+端侧AI发展两大逻辑，持续抢筹科创人工智能方向！上交所数据显示，科创人工智能ETF华宝（589520）近60日累计吸金7564万 元！ 领涨股方面，石头科技周末发布2025年半年报，上半年实现营业收入79.03亿元，同比增长78.96%；归母净利润6.78亿元，同比下降39.55%。石头科技表 示，公司营收增长主要系报告期内国内销售受国补政策推动，持续增长；公司在海外持续推进品牌建设，使产品销量规模及市场占有率与上年同期相比显著 提高。 政策面上，2025陆家嘴论坛上，高层提出在科创板设置科创成长层，重点服务人工智能等前沿科技企业。中信证券指出，随着科创板"1+6"政策、金融支持 科创相关政策的持续推进，自今年4月以来明显滞涨的科创板有望迎来补涨行情。 国泰海通指出，算力芯片自主可控是必然发展趋势，英伟达芯片安全漏洞将加速国内云厂商适配国产算力芯片 ...

报告导读： H20 芯片存在严重安全风险，或将影响国内厂商采购意愿，国产算力自主可 控再加速。 投资建议： 根据网信中国微信公众号，H20芯片存在"追踪定位"、"远程关闭"等严重安全问题，国家互联网信息办公室已于2025年7月31日约谈英伟达。 我们 认为H20芯片安全漏洞或影响国内厂商采购意愿，预计加速国内算力芯片自主可控。 H20芯片存在安全问题，美国对华AI芯片管制并未放松。 根据网信中国微信公众号，目前英伟达算力芯片"追踪定位"、"远程关闭"技术已成熟，为维护中国用 户网络、数据安全，国家互联网信息办公室于2025年7月31日约谈英伟达，要求其就H20算力芯片漏洞后门安全风险问题进行说明并提交相关证明材料。根据 观察者网，其"追踪定位"等安全问题主要源于美国众议院2025年5月提出的《芯片安全法》提案，该方案要求美国商务部需在法案通过后180天内制定实施细 则，确保芯片在出口、再出口或国内转移到外国时具备可行的位置验证技术，并要求出口商向商务部工业与安全局报告芯片的转移或篡改情况。我们认为美国 对华AI芯片出口管制并未放松。 安全漏洞或影响国内厂商采购，自主可控趋势再加速。 根据路透社，由于中国市场需 ...