Core View - The data center, power supply, and GaN sectors experienced significant gains on May 22, with multiple companies hitting their daily price limits [1] Group 1: Stock Performance - Zhongheng Electric's stock rose to 17.28, up 9.99% [2] - Wankong Intelligent Manufacturing's stock increased to 14.56, up 9.97% [2] - Kaile Co., Ltd. saw a rise to 68.10, up 10.97% [2] Group 2: Major Events - On May 21, Nami Semiconductor announced a partnership with NVIDIA to develop the next-generation 800V high-voltage direct current (HVDC) architecture, which will enhance energy efficiency and reduce copper usage [3] - CoreWeave's stock surged 19% on May 21, with a cumulative increase of over 60% in the past six trading days, driven by a 420% year-on-year revenue growth to $981.6 million in Q1 [3] - Viati Technologies plans to launch an 800 VDC power product line in the second half of 2026 to support NVIDIA's computing platform [3] Group 3: Industry Insights - HVDC technology offers high efficiency, reliability, ease of maintenance, scalability, and low cost, with a high penetration rate among major internet companies in their self-built data centers [4] - GaN materials outperform traditional SiMOSFET devices, reducing dynamic losses by 70% and heat generation by 50%, while supporting high-voltage direct connections [4] - The rental price for an 8-card H100 server from CoreWeave increased by 29.31% compared to April 2023, reflecting rising demand for high-end computing services [4] Group 4: Market Trends - The need for substantial capital investment in self-built AI computing power and potential supply shortages make computing power leasing a more cost-effective short-term solution for some manufacturers [5] - The upward trend in high-end computing service prices indicates a strong demand for real-time inference computing services from enterprises [5]

Macro Analysis - In April 2025, fiscal revenue and expenditure improved, with notable highlights including accelerated fiscal spending, particularly in infrastructure-related areas [2] - Fiscal revenue showed marginal improvement compared to Q1, with tax revenue recovering while non-tax revenue growth slowed [2] - The land market showed signs of improvement, supported by the issuance of new special bonds, leading to significant enhancements in government fund income and expenditure [2] Coal Industry - In 2024, coal companies are expected to see a decline in operating revenue and a decrease in operating cash flow, with significant net outflows in investment cash flow [3] - Financing cash flow continues to show net outflows, with high leverage levels and increasing debt, yet overall debt repayment capacity remains strong [3] - Profitability for coal companies in 2025 is anticipated to be constrained, but there is still support for overall profitability, with relatively ample operating cash flow [3] Bond Market - In April 2025, the total bond custody volume saw a slight increase month-on-month, with all types of bonds showing net increases [4] - Policy banks significantly reduced their bond custody volume, while other major institutions in the bond market increased their holdings [4] - The balance of repurchase bonds decreased seasonally, leading to a decline in the bond market leverage ratio [4] Restaurant Industry - The restaurant industry is expected to recover, with a gradual increase in market activity observed in Q1 2025 compared to the entire year of 2024 [5] - The number of restaurant outlets has increased, particularly in first-tier cities, driven by policy stimuli that are likely to enhance demand [5] - There is a notable trend towards affordable dining options, with high opening rates for essential and low-cost categories, indicating a continued focus on supply chain-related stocks [5] Power AI Industry - Vertiv plans to launch an 800 VDC power product series in the second half of 2026, supporting NVIDIA's computing platform [6] - This announcement aligns with market trends regarding AI data center power solutions, further validating the HVDC industry trajectory [6] - Recommended stocks to watch include Zhongheng Electric, Hewei Electric, Shenghong Co., Sifang Co., Magmi Tech, Kehua Data, and Keda [6] Transportation Industry - Recent easing of trade tensions between the US and China is expected to sustain the recovery in container shipping demand [9] - The average freight rates for US West and East Coast routes have increased significantly, with rates reaching 3091 and 4069 USD/FEU, respectively, reflecting a rise of 31.7% and 22.0% [9] Real Estate Company - Huafa Co. maintains stable dividend payouts while being cautious in investment and construction, with a notable decline in settlement resources [10] - The projected net profit for 2025-2027 is estimated at 820 million, 960 million, and 1.12 billion CNY, respectively, with corresponding PE ratios of 17, 15, and 12 times [10] - As a local leading state-owned enterprise, Huafa Co. has a solid financial position and focuses on quality land reserves in core cities, maintaining an "increase" rating [10]

Group 1 - The coal industry is expected to see a decline in operating revenue in 2024, with a decrease in operating cash flow and significant net outflow in investment cash flow. However, overall debt repayment capability remains strong despite high leverage and increasing debt levels [4] - In 2025, coal enterprises' profitability will still be constrained, but there will be support for overall profitability. Operating cash flow is expected to remain relatively ample, while investment cash flow will continue to show a rigid net outflow [4] Group 2 - The banking sector is experiencing a systematic decline in interest rates due to recent monetary policy measures, with an expected improvement in industry interest margins by over 5 basis points. The management of funding costs is anticipated to alleviate pressure on interest margins [5] - The banking sector's fundamentals are stable, and there is optimism regarding the performance of bank stocks moving forward [5] Group 3 - In April 2025, the total retail sales of consumer goods reached 3.72 trillion yuan, showing a year-on-year growth of 5.1%, although the growth rate decreased by 0.8 percentage points compared to March. From January to April, the total retail sales amounted to 16.18 trillion yuan, with a year-on-year growth of 4.7%, an increase of 0.6 percentage points compared to the same period last year [6] - The restaurant industry is showing signs of recovery, with an increase in the number of stores and a rise in market activity in first-tier cities. Policy stimuli are expected to improve demand, while competition among stores is intensifying [10] Group 4 - The recent easing of trade tensions between China and the U.S. has led to a surge in shipping demand, resulting in a rapid increase in freight rates for routes between the U.S. and China. The average freight rates for the U.S. West and East routes rose by 31.7% and 22.0%, respectively [8]

Core Viewpoint - Vertiv plans to launch an 800 VDC power product series in the second half of 2026, aligning with NVIDIA's AI development roadmap, which will support the next-generation AI data centers [3][4]. Group 1: Product Launch and Collaboration - Vertiv will introduce a series of 800 VDC power products, including centralized rectifiers, efficient DC busbars, rack-level DC-DC converters, and DC backup systems [4]. - The product launch is strategically timed to precede NVIDIA's Kyber and Rubin Ultra platform releases, ensuring compatibility with NVIDIA's next-generation computing platforms [4]. Group 2: Industry Trends and Future Outlook - The HVDC technology is expected to gradually replace UPS systems due to several factors: the increasing power demands of AI technologies, which exceed 300kW per rack, and HVDC's efficiency in reducing copper usage, current, and thermal losses [5]. - HVDC systems eliminate the inverter stage found in AC UPS, leading to lower energy losses and improved reliability [5]. - The advantages of HVDC systems in terms of footprint, construction costs, and operational costs position them favorably against traditional UPS systems, indicating a potential increase in HVDC penetration in AI data centers [5].