Core Viewpoint - The optical communication sector is experiencing a collective rebound, driven by significant investments from Nvidia in advanced optical technology, indicating a strong future for optical communication technologies [1] Group 1: Stock Performance - Cambridge Technology (603083) saw an increase of 8.63%, trading at 77.4 HKD [1] - Hong Teng Precision (06088) rose by 5.49%, reaching 5.96 HKD [1] - Huijun Technology (01729) increased by 5.31%, priced at 17.45 HKD [1] - Huahong Semiconductor (01347) gained 2.2%, trading at 88.15 HKD [1] Group 2: Strategic Investments - Nvidia announced a strategic partnership with two leading companies in the optical communication field, Lumentum and Coherent, investing 20 billion USD in each, totaling 40 billion USD for advanced optical technology research and manufacturing [1] Group 3: Market Outlook - According to Open Source Securities, the optical communication technology is expected to become a core technology for future AIDC interconnects, highlighting opportunities in silicon photonics, CPO, OCS, hollow-core fibers, and thin-film lithium niobate [1] - China Galaxy Securities noted that the optical module market is still in an upward trend, with high demand from overseas cloud service providers expected to continue through 2026, driven by GPU performance improvements [1] - The trend of upgrading to high-speed, high-value optical modules is anticipated to accelerate, with a clear shift from optical to copper expected to further increase the demand for optical modules [1]

Group 1: Pharmaceutical and Biotechnology Sector - Four Seasons Pharmaceutical (00460) saw a stock increase of 3.7% after receiving approval from the NMPA for its innovative drug, Pyrocilin Tablets, for treating HR+/HER2- advanced breast cancer [1] - Hengrui Medicine (01276) rose over 5% following the approval of a clinical trial for HRS-1780 Tablets aimed at treating primary hyperaldosteronism [3] - Mirxes-B (02629) experienced a stock surge of 10.86% after announcing a strategic partnership with Apollo Health to develop advanced cancer early detection solutions in India [3] - Cornerstone Pharmaceuticals-B (02616) increased by 12.37% after receiving FDA approval for its IND application for CS2009, a tri-specific antibody for advanced solid tumors [4] - Deciphera Pharmaceuticals-B (06996) rose 16.77% after signing an agreement with U.S. Biotech for the global development and commercialization of ATG-201, a dual-specific T-cell engager [5] Group 2: Automotive Sector - Automotive stocks showed a collective rebound, with XPeng Motors-W (09868) up 3.14% and NIO-SW (09866) up 3.43%, driven by news of BYD's upcoming launch of its second-generation blade battery and fast-charging technology [2] Group 3: Technology and Communication Sector - Optical communication stocks rallied, with Cambridge Technology (06166) up 8.7% after NVIDIA announced a $40 billion investment in optical technology through partnerships with Lumentum and Coherent [1] - Brain-computer interface stocks surged, with Nanjing Panda Electronics (00553) increasing by 24.64% following government reports emphasizing the development of future industries, including brain-computer interfaces [2] Group 4: Cryptocurrency Sector - Cryptocurrency-related stocks rebounded, with Okex Cloud Chain (01499) rising 15.89% as Bitcoin surpassed $72,000, driven by short-covering amid geopolitical concerns [5][6]

Core Viewpoint - The optical communication sector is experiencing a collective rebound, driven by significant investments from Nvidia in leading companies within the field, indicating a strong future for optical technologies [1] Group 1: Market Performance - Cambridge Technology (06166) increased by 8.63%, reaching HKD 77.4 [1] - Hong Teng Precision (06088) rose by 5.49%, reaching HKD 5.96 [1] - Huijun Technology (01729) saw a 5.31% increase, reaching HKD 17.45 [1] - Huahong Semiconductor (01347) grew by 2.2%, reaching HKD 88.15 [1] Group 2: Strategic Investments - Nvidia announced a strategic partnership with two leading companies in the optical communication sector, Lumentum and Coherent, investing USD 2 billion in each, totaling USD 4 billion for advanced optical technology research and manufacturing [1] Group 3: Industry Outlook - Open Source Securities believes that this move reinforces the potential of optical communication technology as a core technology for future AIDC interconnects, highlighting opportunities in silicon photonics, CPO, OCS, hollow-core fibers, and thin-film lithium niobate [1] - China Galaxy Securities notes that the optical module market is still in an upward trend, with high overseas demand and capital expenditure from major cloud providers expected to exceed forecasts through 2026 [1] - The trend of upgrading GPU performance is driving a clear upgrade in overseas optical module speeds, with an anticipated acceleration in the volume and demand for high-speed, high-value optical modules [1]

Investment Rating - The industry investment rating is "Overweight" (maintained) [1] Core Insights - The report highlights that SK Hynix has announced a significant investment of 21.6 trillion KRW (approximately 150.7 billion USD) to build its first factory and cleanroom facilities, with production expected to accelerate due to tight supply conditions in the DRAM and NAND markets [3] - The domestic advanced logic expansion is expected to exceed expectations, driven by the booming AI industry and increasing demand for advanced process foundry services [4] - The report emphasizes the trend of domestic semiconductor equipment localization, with over 55% of new production line investments in domestic wafer fabs expected to be in domestic equipment by 2025 [4] - NVIDIA's introduction of the Feynman chip with 3D packaging and hybrid bonding is anticipated to create significant growth opportunities for advanced packaging and hybrid bonding equipment [5] Summary by Sections SK Hynix Investment - SK Hynix's investment is a clear signal for global storage expansion, responding to AI-driven demand and supply constraints [3] Domestic Advanced Logic Expansion - The report notes that major domestic players are accelerating high-end manufacturing layouts, with a strong demand for advanced logic foundry services [4] Semiconductor Equipment Localization - The report discusses the impact of export controls on Japanese entities, leading to a shift towards domestic semiconductor equipment, particularly in critical processes like etching and cleaning [4] Advanced Packaging Trends - NVIDIA's advancements in 3D packaging are expected to drive growth in the advanced packaging sector, with domestic companies positioning themselves to benefit from this trend [5]

Market Overview - The Hang Seng Index increased by 0.95%, closing at 26,630.54 points, with a total market turnover of 288.42 billion HKD [1] Southbound Trading Data - The net purchases in southbound trading included: - Tracker Fund of Hong Kong (盈富基金) with a net buy of 8.385 billion HKD - Hang Seng China Enterprises Index (恒生中国企业) with a net buy of 2.482 billion HKD - Southern Hang Seng Technology Index (南方恒生科技) with a net buy of 2.039 billion HKD [1][2] - The net sales in southbound trading included: - Yangtze Optical Fibre and Cable (长飞光纤光缆) with a net sell of 0.505 billion HKD - Kuaishou Technology (快手－Ｗ) with a net sell of 0.382 billion HKD - Hua Hong Semiconductor (华虹半导体) with a net sell of 0.272 billion HKD [1][2] Individual Stock Performance - Key stocks with significant net buy amounts: - Tracker Fund of Hong Kong: 8.474 billion HKD, closing price at 26.90 HKD, with a change of +1.20% - Hang Seng China Enterprises: 8.282 billion HKD, closing price at 90.92 HKD, with a change of +0.87% - Southern Hang Seng Technology: 8.051 billion HKD, closing price at 5.03 HKD, with a change of +0.60% [2] - Key stocks with significant net sell amounts: - Yangtze Optical Fibre and Cable: 5.556 billion HKD, closing price at 148.80 HKD, with a change of +10.06% - Kuaishou Technology: 3.031 billion HKD, closing price at 62.85 HKD, with a change of -1.18% - Hua Hong Semiconductor: 1.475 billion HKD, closing price at 96.75 HKD, with a change of -1.12% [2]

Core Insights - On February 27, 2026, the top three stocks by trading volume in the Southbound Stock Connect were Yingfu Fund (02800), Tencent Holdings (00700), and Alibaba-W (09988), with trading volumes of 6.861 billion, 2.764 billion, and 2.741 billion respectively [1] - In the Southbound Stock Connect of the Shenzhen-Hong Kong Stock Connect, Tencent Holdings (00700), Alibaba-W (09988), and Southern Hang Seng Technology (03033) were the top three stocks, with trading volumes of 2.883 billion, 2.415 billion, and 2.051 billion respectively [1] Southbound Stock Connect (Hong Kong) - The top active stocks by trading volume included: - Yingfu Fund (02800) with a trading amount of 6.861 billion and a net buying amount of +6.777 billion - Tencent Holdings (00700) with a trading amount of 2.764 billion and a net buying amount of +0.236 billion - Alibaba-W (09988) with a trading amount of 2.741 billion and a net selling amount of -0.193 billion - Other notable stocks included Changfei Optical Fiber (06869) and Hang Seng China Enterprises (02828) with trading amounts of 2.335 billion and 1.817 billion respectively [2] Southbound Stock Connect (Shenzhen) - The top active stocks by trading volume included: - Tencent Holdings (00700) with a trading amount of 2.883 billion and a net buying amount of +0.996 billion - Alibaba-W (09988) with a trading amount of 2.415 billion and a net buying amount of +0.531 billion - Southern Hang Seng Technology (03033) with a trading amount of 2.051 billion and a net buying amount of +2.039 billion - Other notable stocks included Yingfu Fund (02800) and Changfei Optical Fiber (06869) with trading amounts of 1.613 billion and 1.220 billion respectively [2]

Core Insights - On February 26, 2026, Alibaba-W (09988), Tencent Holdings (00700), and Yangtze Optical Fibre and Cable (06869) were the top three companies by trading volume in the Southbound Stock Connect, with trading amounts of 4.492 billion, 3.391 billion, and 2.065 billion respectively [1] - The same companies also led in trading volume in the Shenzhen-Hong Kong Stock Connect, with trading amounts of 4.376 billion, 3.171 billion, and 1.531 billion respectively [1] Southbound Stock Connect Trading Activity - **Top Active Companies**: - Alibaba-W (09988): Trading amount of 4.492 billion, net buy of -0.231 billion [2] - Tencent Holdings (00700): Trading amount of 3.391 billion, net buy of +37.9726 million [2] - Yangtze Optical Fibre and Cable (06869): Trading amount of 2.065 billion, net buy of -0.246 billion [2] - SMIC (00981): Trading amount of 1.740 billion, net buy of -0.221 billion [2] - CNOOC (00883): Trading amount of 1.709 billion, net buy of -0.626 billion [2] Shenzhen-Hong Kong Stock Connect Trading Activity - **Top Active Companies**: - Alibaba-W (09988): Trading amount of 4.376 billion, net buy of -0.657 billion [2] - Tencent Holdings (00700): Trading amount of 3.171 billion, net buy of -0.587 billion [2] - Yangtze Optical Fibre and Cable (06869): Trading amount of 1.531 billion, net buy of -0.379 billion [2] - Xiaomi Group-W (01810): Trading amount of 1.351 billion, net buy of +27.0028 million [2] - Kuaishou-W (01024): Trading amount of 0.808 billion, net buy of -0.06332 billion [2]

净卖出中国海洋石油8.93亿、阿里巴巴-W 8.88亿、长飞光纤光缆6.24亿、腾讯控股5.48亿、中国人寿 4.36亿、中芯国际2.98亿、华虹半导体2.84亿、泡泡玛特2.45亿。 据统计，南下资金已连续7日净买入美团，共计36.1242亿港元；连续5日净买入小米，共计32.2538亿港 元；连续4日净卖出中海油，共计12.2479亿港元。 格隆汇2月26日｜南下资金今日净卖出港股73.66亿港元，为连续第2日净卖出。其中： 净买入美团-W 3.11亿、东方电气1.25亿； ...

Core Viewpoint - The Hong Kong stock market experienced significant net selling from northbound capital, totaling HKD 73.66 billion, with notable net sell-offs in major stocks like Alibaba and CNOOC [1][2]. Group 1: Northbound Capital Flow - Northbound capital recorded a net sell of HKD 73.66 billion, with HKD 23.11 billion from the Shanghai Stock Connect and HKD 50.55 billion from the Shenzhen Stock Connect [1]. - The stocks with the highest net buying were Meituan (03690), Dongfang Electric (01072), and Xiaomi Group (01810) [1]. - The stocks with the highest net selling included CNOOC (00883), Alibaba (09988), and Changfei Optical Fiber (06869) [1]. Group 2: Individual Stock Performance - Alibaba (09988) had a buy amount of HKD 21.30 billion and a sell amount of HKD 23.62 billion, resulting in a net outflow of HKD 2.31 billion [2]. - CNOOC (00883) faced a net sell of HKD 8.93 billion, influenced by a drop in WTI crude oil prices below USD 65 per barrel and an increase in commercial crude oil inventory [6]. - Xiaomi Group (01810) saw a net buy of HKD 183.5 million, with the CEO emphasizing a focus on core technologies over the next five years [5]. Group 3: Market Reactions and Trends - The semiconductor sector is experiencing a divide due to AI demand, with upstream manufacturers benefiting while downstream PC and mobile manufacturers face cost pressures [5]. - Dongfang Electric (01072) received a net buy of HKD 1.25 billion, linked to the upcoming signing of a power supply commitment by major tech companies [4]. - Meituan (03690) had a net buy of HKD 3.11 billion, indicating strong investor interest [7].

Market Overview - The Hong Kong stock market experienced a significant decline, with the Hang Seng Index dropping by 1.44% and the Hang Seng Tech Index falling by 2.87%, reaching a new low since July of the previous year, down over 23% from the peak in October [1] - Technology stocks collectively fell, with notable declines in companies such as Bilibili (down approximately 5%), Baidu and Kuaishou (both down over 4%), Tencent (down 2% below HKD 520, hitting a new low), and Alibaba (down 3.57%) [1] Sector Performance - The automotive and semiconductor sectors also saw declines, with Xpeng Motors down about 5% and Hua Hong Semiconductor down nearly 5% [1] - Biopharmaceutical stocks faced significant drops, with WuXi AppTec and BeiGene both declining by approximately 9% [2] - Other sectors such as automotive dealerships, building materials, gambling, AI applications, coal, oil, domestic real estate, photovoltaic, and precious metals also experienced downturns [3] Notable Gainers - In contrast, some stocks within the Hang Seng Index showed gains, including Cheung Kong Infrastructure, CK Hutchison, and Power Assets, with notable increases in electric power, optical modules, and optical communications [3] - Noteworthy performers included Dongfang Electric, which surged by 15.5%, and Cambridge Technology, which rose by 8% [3] Semiconductor Sector Activity - Following Nvidia's recent quarterly earnings report, which positively impacted tech stocks in the US and A-shares, the Hong Kong semiconductor sector became active, with Tensun Zhixin rising over 20% to reach a new high and Zhaoyi Innovation increasing by over 3% [3][4] Future Outlook - Looking ahead, the market outlook suggests that investors should focus on three key sectors: 1. Precious metals and energy sectors may see upward movement due to rising geopolitical risks and increased investor caution 2. The consumer sector, currently at relatively low valuations, is expected to continue rising 3. The technology sector remains a long-term investment focus, with potential for rebound following recent corrections and accelerated AI applications [5]