Core Insights - The article highlights the performance of stocks on the institutional leaderboard, with 32 stocks listed, 16 bought, and 16 sold by institutions. The top three stocks with the highest institutional purchases are Jinpan Technology (1.93 billion), Sunflower (1.31 billion), and Meili Technology (915.7 million) [1][2]. Group 1: Stock Performance - Jinpan Technology (688676.SS) saw a price increase of 20.00% with 2 buyers and 1 seller [2]. - Sunflower (300111.SZ) experienced a price increase of 19.97% with 3 buyers and 1 seller [2]. - Meili Technology (300611.SZ) also had a price increase of 20.00% with 4 buyers and 2 sellers [2]. Group 2: Industry Trends - Nvidia's recent release of the "800VDC Architecture White Paper" has drawn attention to the high-voltage direct current (HVDC) sector, emphasizing the importance of medium-voltage rectifiers (MV Rectifiers) for deploying 800VDC systems [2]. - The white paper outlines three evolution directions for the 800VDC technology: transitional solutions using external AC/DC racks, hybrid power solutions for 800VDC output, and ultimate solutions utilizing medium-voltage rectifiers or solid-state transformers (SST) [2]. Group 3: Data Center Power Supply - The development direction for data center power supply is identified as UPS → HVDC → Panama Power → SST direct current architecture, with the Panama Power concept proposed by Delta in collaboration with Alibaba, offering higher efficiency and lower investment [3]. - Solid-State Transformers (SST) utilize power electronics for high-frequency power conversion, providing advantages such as high efficiency and space optimization [3]. Group 4: Company Updates - A company reported a revenue of 407 million for its data center power supply business in the first half of the year, marking a year-on-year growth of 60.6%. Their third-generation HVDC product matrix meets the high power density needs of intelligent computing centers, serving major clients like Alibaba, Tencent, and Kuaishou [5]. - Another company, known for its power supply business, is involved in data center construction and operation [5].

美股开盘三大股指涨跌不一，道指跌0.23%，标普500指数跌0.08%，纳指涨0.1%。加密货币板块普涨， Coinbase、Strategy涨超2%。纳微半导体涨超150%，该公司和英伟达共同开发数据中心供电架构。 ...