Market Overview - The other power equipment sector increased by 0.27% on August 27, with Maigemit leading the gains [1] - The Shanghai Composite Index closed at 3800.35, down 1.76%, while the Shenzhen Component Index closed at 12295.07, down 1.43% [1] Top Performers - Maigemit (002851) closed at 86.03, up 10.00% with a trading volume of 330,800 shares and a transaction value of 2.817 billion [1] - Aikesaibo (688719) closed at 42.50, up 6.06% with a trading volume of 50,900 shares and a transaction value of 217 million [1] - Oulutong (300870) closed at 262.00, up 4.85% with a trading volume of 99,100 shares and a transaction value of 2.624 billion [1] Underperformers - Dongliyuan (600405) closed at 6.70, down 8.22% with a trading volume of 1,081,800 shares and a transaction value of 742 million [2] - ST Huaxi (002630) closed at 2.67, down 4.30% with a trading volume of 901,100 shares and a transaction value of 247 million [2] - Yingkerui (300713) closed at 18.88, down 3.92% with a trading volume of 57,800 shares and a transaction value of 112 million [2] Capital Flow - The other power equipment sector experienced a net outflow of 571 million from institutional investors, while retail investors saw a net inflow of 733 million [2] - The top net inflows from retail investors included Maigemit with 618 million and Kewai Data with 20.6 million [3] - The top net outflows from institutional investors included Maigemit with 413 million and Kewai Data with 24.2 million [3]

电力设备 如何看待英伟达 800V HVDC 架构投资机会？ 事件：英伟达宣布 2027 年起将推动 800V HVDC 架构以支持更高功率 密度 IT 机架。2025 年 5 月，英伟达宣布将从 2027 年起推动数据中心电 力基础设施向 800V 高压直流（HVDC）过渡，目标是支持 1MW 及以上功 率密度的 IT 机架。 什么是 HVDC？ 为什么推广 800V HVDC？ 英伟达推动 800V HVDC 主要统 AI 训练和推理任务对算力的经求激增，推 动机柜功率密度大幅提升。NVL72 机架的功率密度已突破 120kW，远超传 统服务器机柜的 10-40kW。英伟达的 Blackwell Ultra 芯片和 NVL576 机架 方案预计在 2027 年功率密度将进一步提升。高功率密度对传统 54V 直流 供电形成了巨大挑战，瓶颈体现在铜耗、空断与能效三个方面。 800V HVDC 如何提效？ 证券研究报告 | 行业点评 gszqdatemark 2025 08 27 年 月 日 投资建议： HVDC 环节关注科华数据、中恒电气、科士达、盛弘股份、欧陆通； PSU 环节关注麦格米特、欧陆通 ； 电池 ...

Group 1 - The computing power leasing sector experienced significant gains in the afternoon, with multiple companies reaching new highs [1] - Yitian Intelligent and Hongjing Technology hit intraday record highs, while Qiming Information achieved a consecutive two-day increase [1] - Companies such as Kehua Data, Data Port, and Runjian Co. saw their stock prices hit the daily limit, while Yuntian Lifa surged over 15% [1] Group 2 - Other companies including New Zhisoft, Youfang Technology, Dawi Technology, Capital Online, and UCloud also experienced upward movement in their stock prices [1]

Group 1 - A-shares experienced a volatile upward trend on August 27, with the ChiNext Index rising over 2%, led by sectors such as CPO optical modules, liquid-cooled servers, and rare earth permanent magnets [1] - The cloud computing 50 ETF (516630) rose over 3%, with top-performing holdings including CloudWalk Technology, NewEase, Kehua Data, Zhongji Xuchuang, and DataPort, among which NewEase saw a peak increase of over 12% [1] - Major players in the computing power industry chain recently disclosed their semi-annual reports, with Cambricon achieving a revenue of 2.881 billion yuan, a year-on-year increase of 4347.82%, and a net profit of 1.038 billion yuan, marking a turnaround [1] Group 2 - Zhongji Xuchuang reported a revenue of 14.789 billion yuan, a year-on-year increase of 36.95%, and a net profit of 3.995 billion yuan, up 69.40% year-on-year [1] - NewEase achieved a revenue of 10.437 billion yuan, a year-on-year increase of 282.64%, with a net profit of 3.942 billion yuan, reflecting a significant year-on-year growth of 355.68% [1] - According to招商证券, NewEase is leveraging R&D innovation to capture market opportunities in AI data centers, successfully launching various high-capacity optical modules, which are expected to enhance the company's profitability [1] Group 3 - North American cloud vendors continue to expand capital expenditures, indicating strong demand for AI computing power, which is expected to benefit the domestic computing power industry chain [2] - The cloud computing 50 ETF (516630) tracks a cloud computing index (930851) that has a high AI computing power content, covering popular concepts such as optical modules, computing power leasing, data centers, AI servers, and liquid cooling [2] - The cloud computing 50 ETF (516630) is noted for having the lowest total expense ratio among ETFs tracking this index [2]

Group 1 - Liquid cooling server concept stocks experienced a significant surge, with Invech hitting the daily limit and reaching a new historical high [1] - Other companies such as Shenling Environment, Kehua Data, and Keda rose over 5%, indicating strong market interest [1] - Additional stocks including Liou Shares, Feilong Shares, Gaolan Shares, and Feirongda also saw upward movement, reflecting a broader trend in the sector [1]

Group 1 - The core viewpoint is that A-share liquid cooling server concept stocks have seen significant price increases, with Invec hitting the daily limit and reaching a historical high [1] - Other notable performers include Kehua Data, which rose over 7%, and Shunling Environment and Keda, both increasing by over 5% [1] - Additional stocks that experienced gains include Leo Group, Feilong Co., Highlan Co., and Feirongda, indicating a broader trend in the sector [1] Group 2 - The formation of a MACD golden cross signal suggests a positive momentum for these stocks [2]

证券日报网讯科华数据（002335）8月26日在互动平台回答投资者提问时表示，公司当前产能充足，产 能不会成为公司业务发展的瓶颈。 ...

证券日报网讯科华数据（002335）8月26日在互动平台回答投资者提问时表示，截至2025年8月20日公司 股东户数约为9.5万户。 ...

来源：金融界 资金流向方面，今日主力资金净流入1.03亿元，占比成交额6.07%。其中，超大单净流入1.04亿元、占 成交额6.11%，大单净流出66.13万元、占成交额0.04%，中单净流出流出7404.23万元、占成交额 4.37%，小单净流出2881.07万元、占成交额1.7%。 天眼查商业履历信息显示，科华数据股份有限公司，成立于1999年，位于厦门市，是一家以从事电气机 械和器材制造业为主的企业。企业注册资本51541.4041万人民币，实缴资本46156.7391万人民币。公司 法定代表人为陈成辉。 金融界消息 截至2025年8月26日收盘，科华数据（002335）报收于51.95元，上涨0.25%，换手率 7.18%，成交量32.63万手，成交金额16.94亿元。 通过天眼查大数据分析，科华数据股份有限公司共对外投资了48家企业，参与招投标项目3624次，知识 产权方面有商标信息130条，专利信息1354条，此外企业还拥有行政许可36个。 科华数据最新一期业绩显示，截至2025一季报，公司营业总收入12.16亿元、同比增长2.73%，归属净利 润6894.43万元，同比减少6.26%，扣非净利润 ...

Group 1 - The core viewpoint of the article highlights the active performance of big data concept stocks in the secondary market, with an average increase of 18.2% since August [1] - Five stocks have seen cumulative increases exceeding 50%, specifically Huasheng Tiancheng, Jishi Media, Yingweike, Kexin Information, and Zhongke Jincai [1] - In terms of capital flow, 21 big data concept stocks have recorded a net financing buy-in of over 100 million yuan since August, with Yingweike, Inspur Information, Tonghuashun, Huasheng Tiancheng, and Kehua Data leading in net buy-in amounts [1] Group 2 - Among the 21 stocks with significant financing, Jishi Media has the lowest price-to-book ratio at only 1.63 times [1] - The average daily trading volume of these stocks has increased compared to the previous month, with 11 stocks experiencing a doubling in daily trading volume [1] - Jishi Media leads with an average daily trading volume of 2.226 billion yuan since August, showing a remarkable increase of 637.41% [1]