HK Stock Connect Daily Report: BRAINAURORA-B Surges 52.30% as a Brain-Computer Interface Developer Completes a RMB 700 Million Series B - 20261028

I. Market Overview

On October 28, 2026, the three major Hong Kong indices opened higher, dipped in early trade before rebounding, then pared gains in the afternoon to close higher. The Hang Seng Index closed at 23,094.83, up 0.23%; the Hang Seng TECH Index closed at 3,853.72, up 1.40%; and the Hang Seng China Enterprises Index closed at 7,791.63, up 0.32%. Full-day turnover on the Hang Seng Index reached HKD 181.4 billion, slightly above HKD 178.3 billion a day earlier.

On the board, among Stock Connect constituent stocks, BRAINAURORA-B rose 52.30%, SENASIC rose 24.73%, MANYCORE TECH rose 20.64%, INGENIC rose 18.94% and FORTIOR rose 16.39%; on the downside, DEEPEXI TECH fell 23.09%, GUANGDONG INV fell 8.71%, ABLE DIGITAL fell 5.80%, LYGEND RESOURCE fell 5.64% and ANGELALIGN fell 5.19%. Brain-computer interface, physical AI and semiconductor names advanced collectively, while utilities and consumer names came under pressure. Across the Stock Connect universe, 386 stocks rose and 249 fell.

Southbound capital recorded net selling of HK$804 million on the day, comprising net buying of HK$56 million via Stock Connect (Shanghai) and net selling of HK$860 million via Stock Connect (Shenzhen), with the two channels moving in opposite directions.

II. HK Stock Connect Stock Rankings

2.1 HK Stock Connect Stock Gainers and Decliners

Source: Wind, HKEX. The content of this article is for the objective presentation of data only and does not constitute any investment advice, nor does it represent a recommendation for or value judgment on any security. The market involves risks; investment requires caution.

2.2 HK Stock Connect Active Stocks (ranked by southbound turnover)

Source: Wind, HKEX. The content of this article is for the objective presentation of data only and does not constitute any investment advice, nor does it represent a recommendation for or value judgment on any security. The market involves risks; investment requires caution.

III. HK Stock Connect-related A-share ETF Rankings

3.1 HK Stock Connect-related A-share ETF Gainers and Decliners

Source: Wind. The content of this article is for the objective presentation of data only and does not constitute any investment advice, nor does it represent a recommendation for or value judgment on any security. The market involves risks; investment requires caution.

3.2 HK Stock Connect-related A-share ETF Active Rankings (ranked by turnover)

Source: Wind. The content of this article is for the objective presentation of data only and does not constitute any investment advice, nor does it represent a recommendation for or value judgment on any security. The market involves risks; investment requires caution.

IV. Industry and Corporate Updates

1. BRAINAURORA-B Surges 52.30% to Lead as Brain-Computer Interface Fundraising and Clinical Progress Accelerate

On October 28, BRAINAURORA-B (06681.HK) rose 52.30% to close at HKD 1.82 with turnover of HK$1.060 billion and a turnover rate of 49.97%, the largest gain among Stock Connect stocks on the day. At the industry level, a domestic brain-computer interface developer announced the same day that it had completed a RMB 700 million Series B round to fund multi-centre registration trials and regulatory approval, mass production and next-generation development of a fully implanted, fully wireless, fully functional brain-computer interface system. Earlier, the International Organization for Standardization published the international standard on a brain-computer interface reference architecture led by China. At the company level, BRAINAURORA-B focuses on digital therapeutics for cognitive disorders with its brain function information management platform and recorded first-half 2026 revenue of RMB 120 million, up 19.8% year on year.

2. SK Hynix and TSMC Catalysts Lift Hong Kong Semiconductor Names

On October 28, SK Hynix reported fiscal 2026 third-quarter revenue of KRW 104.62 trillion, up 327.9% year on year, operating profit of KRW 83.33 trillion, up 632.1%, an operating margin near 80% and net profit of KRW 39.78 trillion, all above market expectations. The company said memory shortages will persist until 2030 and that it has locked in more than 50% of capacity for 2027 and 2028. On the same day, TrendForce cited media reports that foundries and OSAT vendors including TSMC are preparing to raise CoWoS advanced packaging quotes by 10% to 20%, with equipment lead times extending from three to six months to six to eight months. Among Hong Kong semiconductor names, HUA HONG GRACE (01347.HK) rose 8.44% and SMIC (00981.HK) rose 5.43% while drawing HK$533 million of southbound net buying.

3. Physical AI Theme Strengthens as MANYCORE TECH Gains 20.64% and UBTECH ROBOTICS 9.16%

On October 28, Hong Kong physical AI and embodied intelligence names extended gains. MANYCORE TECH (00068.HK) rose 20.64% to HKD 3.77 with turnover of HK$775 million, and UBTECH ROBOTICS (09880.HK) rose 9.16% to HKD 69.10. On policy, the Shanghai Municipal Commission of Economy and Informatisation issued the Action Plan for Accelerating the Development of a New Generation of Intelligent Manufacturing on October 27, calling for the development and promotion of physical AI equipment, including robots, industrial machine tools and inspection equipment with autonomous perception and decision-making capabilities, and for upgrading and scaling equipment through smart factory demand.

4. Southbound Net Selling Reaches HK$804 Million as Z.AI Attracts HK$555 Million of Net Buying

On October 28, southbound capital recorded net selling of HK$804 million, comprising net buying of HK$56 million via Stock Connect (Shanghai) and net selling of HK$860 million via Stock Connect (Shenzhen), with the two channels moving in opposite directions. At the stock level, Z.AI (02513.HK) topped southbound turnover at HK$3.109 billion and led net buying at HK$555 million; SMIC (00981.HK) drew HK$533 million of net buying, CNOOC (00883.HK) HK$487 million and ZJ INNOLIGHT (03308.HK) HK$344 million. On the sell side, POP MART (09992.HK) led with net selling of HK$655 million, followed by YOFC (06869.HK) at HK$288 million and KB LAMINATES (01888.HK) at HK$145 million.

5. China-Korea Semiconductor ETF Gains 8.05% on RMB 20.220 Billion of Turnover as Information Technology Funds Advance

On October 28, semiconductor and information technology theme ETFs led. Huatai-PB China Securities Han Stock Exchange China Korea Semiconductor ETF(QDII) (513310) rose 8.05% on RMB 20.220 billion of turnover and a 203.32% turnover rate, topping both rankings; Invesco Great Wall NASDAQ Technology Market Capitalization Weighting ETF(QDII) (159509) rose 4.81%, Yinhua CSI HK Equities Information Technology Integration ETF (159047) rose 4.31%, Huaan CSI HK Equities Information Technology Integration ETF (513240) rose 4.28% and E Fund CSI HK Equities Information Technology Integration ETF (159196) rose 4.07%. At the other end, low-volatility dividend and consumer theme funds edged lower, with JPMorgan S&P HK Equities Low Volatility Dividend ETF (513630) down 1.04%, E Fund CSI HK Equities Consumption Theme ETF (513070) down 1.00% and Huaan CNI HK Equities Consumption Theme ETF (159285) down 0.85%.