HVDC概念

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A股五张图:谁说学累了?今天还有东西要学!
Xuan Gu Bao· 2025-05-22 10:32
Market Overview - The market experienced a slight decline, with the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index falling by 0.22%, 0.72%, and 0.96% respectively, resulting in over 4,400 stocks declining and only about 800 stocks rising [3][6]. HVDC Concept - The HVDC (High Voltage Direct Current) concept gained attention following a partnership announcement between Nanwei Semiconductor and NVIDIA to develop an 800V HVDC architecture, which is expected to enhance energy efficiency and reduce copper usage [8][12]. - Following this news, Nanwei's stock surged by 200% in after-hours trading, leading to a strong opening for related sectors such as data centers and GaN (Gallium Nitride) technology [9][10]. Kunlun Wanwei - Kunlun Wanwei launched the Skywork Super Agents, an AI-driven product capable of generating various types of content, which ranked first globally in deep research capabilities, surpassing OpenAI and Manus [16][17]. - The stock opened with a 4.23% increase, later surged to a 20% limit up, driven by high user demand and positive market reception [18][19]. Cross-Border E-commerce - The cross-border e-commerce sector saw initial gains with stocks like Anzheng Fashion and Dongbei Group experiencing sharp increases, but ultimately closed down nearly 1% [26]. - The sector reacted to news regarding the EU's plan to impose a €2 tax on small packages entering the EU, which raised concerns about its impact on companies like Kuaijingtong [27][28].