（文章来源：每日经济新闻） 每经AI快讯，中科曙光盘中涨停，涨幅10.0%。 ...

中科曙光触及涨停，成交额85.67亿元。 ...

Group 1 - The core viewpoint of the news is the strong performance of the digital economy theme index and its constituent stocks, indicating a positive market sentiment towards the digital economy sector [1][2] - As of August 22, 2025, the CSI Digital Economy Theme Index (931582) rose by 2.29%, with notable gains in stocks such as Haiguang Information (688041) up by 8.84% and Zhinancun (300803) up by 7.77% [1] - The Digital Economy ETF (560800) also experienced a rise of 2.25%, marking its third consecutive increase [1] Group 2 - In terms of liquidity, the Digital Economy ETF recorded a trading volume of 6.9397 million yuan during the session, with an average daily trading volume of 26.0181 million yuan over the past week [2] - The Shanghai "AI + Manufacturing" policy aims to promote the intelligent application of 3,000 manufacturing enterprises within three years, benefiting AI industrial software and edge computing chips [2] - Upcoming events such as Apple's fall conference and the National Artificial Intelligence Industry Development Conference are expected to boost market expectations for AI hardware [2] Group 3 - As of July 31, 2025, the top ten weighted stocks in the CSI Digital Economy Theme Index accounted for 50.74% of the index, with companies like Dongfang Caifu (300059) and Zhongxin International (688981) leading the list [3] - The top ten stocks include Dongfang Caifu (300059) with a weight of 10.51% and Haiguang Information (688041) with a weight of 4.75%, reflecting their significant influence on the index [5]

人民财讯8月21日电，中科曙光（603019）消息，近日，曙光存储FlashNexus成功完成与南大通用GBase 数据库、TiDB数据库的互认证测试，标志着国产高端存储生态协同迈出关键一步。随着金融行业对底 层数字化基础设施的性能、可靠性和兼容性提出更高要求，存储作为数据系统的关键一环，在保障金融 系统平稳运行方面发挥着不可替代的作用。此次互认证再次验证了曙光存储FlashNexus在应对关键金融 业务场景过程中的技术成熟度和稳定性。 ...

Group 1 - The A-share market opened high on August 21, 2025, with digital currency concept stocks surging, and the Sci-Tech 50 Index reaching a new high since last year, peaking at 1173.28 points [1] - In the first half of 2025, China's semiconductor industry saw total investments of 455 billion, with semiconductor equipment investments increasing by 53.4%, indicating a strong demand for domestic control in the semiconductor supply chain [1] - The daily average Token consumption in China skyrocketed from 100 billion to over 30 trillion within a year and a half, reflecting rapid growth in AI application scale [1] Group 2 - Haiguang Information reported a significant increase in revenue and net profit in its 2025 semi-annual report, with Q2 revenue growing by 41.15% year-on-year and net profit increasing by 23.14% [2] - The company is planning to merge with Zhongke Shuguang to create a complete domestic computing power industry ecosystem, benefiting from the rapid development of AI and high-performance computing [2] - As of August 21, 2025, the Sci-Tech 50 ETF leader (588060) rose by 1.50%, with the top ten weighted stocks accounting for 54.07% of the index, indicating strong market performance [2] Group 3 - The Sci-Tech 50 ETF is designed to invest in a basket of leading Sci-Tech stocks, with a daily price fluctuation limit of ±20%, and offers convenient trading similar to stocks [3] - The index closely tracks the performance of 50 securities from the Sci-Tech board, focusing on key sectors such as semiconductors (60.6%), medical devices (6.6%), and software development (5.2%), highlighting its "hard technology" attributes [3]

Core Viewpoint - The demand for cooling solutions is increasing due to the rising power density of AI chips and servers, with liquid cooling expected to replace air cooling as the mainstream solution by 2026, reaching a market size of $8.6 billion globally [2][3]. Group 1: Liquid Cooling Market Dynamics - The global AI liquid cooling market is projected to grow rapidly, with a forecasted market size of $8.6 billion by 2026, driven by the increasing power density of AI chips and servers [2][3]. - The power density of AI servers is expected to exceed 1MW per cabinet by 2029, highlighting the need for efficient cooling solutions [2][3]. - The liquid cooling market in China is anticipated to grow by 67% year-on-year in 2024, reaching $2.37 billion, with a CAGR of 46.8% from 2024 to 2029 [3][42]. Group 2: Advantages of Liquid Cooling - Liquid cooling systems offer higher cooling efficiency and reduced system power consumption compared to traditional air cooling, making them a preferred choice as power density increases [2][22]. - The cooling efficiency of liquid cooling is significantly higher than that of air cooling, with water's thermal conductivity being over 23 times greater than that of air [22]. - Liquid cooling allows for higher density deployment of computing units, reducing the physical space required and improving overall system performance [22][25]. Group 3: Industry Trends and Developments - Major cloud service providers are significantly increasing their capital expenditures, with the top four North American cloud companies expected to reach $366.1 billion in total capital expenditures by 2025, reflecting strong demand for AI infrastructure [7]. - Companies like Alibaba and ByteDance are ramping up investments in AI and cloud computing infrastructure, with Alibaba planning to invest over $50 billion in these areas over the next three years [8]. - The liquid cooling technology is being rapidly adopted by leading server manufacturers, with companies like Supermicro and HPE launching liquid-cooled server solutions [41][43]. Group 4: Liquid Cooling Technology Types - Liquid cooling can be categorized into indirect contact (cold plate cooling) and direct contact (immersion and spray cooling), with cold plate cooling being the most mature and widely adopted technology [3][30]. - Cold plate cooling systems are expected to lead the market due to their minimal impact on existing infrastructure and superior cooling performance compared to air cooling [3][30]. - Immersion cooling, while offering the best cooling performance, presents higher technical challenges and is still in the exploratory phase [3][30]. Group 5: Energy Efficiency and Cost Savings - Liquid cooling systems can significantly reduce energy costs in data centers, with potential savings in operational costs due to lower energy consumption compared to air cooling systems [25][29]. - The total cost of ownership (TCO) for liquid cooling solutions is expected to be lower than that of air cooling, as they can reduce the need for additional cooling equipment [25][29]. - As data center energy efficiency becomes a regulatory focus, liquid cooling solutions are positioned to meet stringent PUE requirements, enhancing overall energy utilization [17][20].

Market Overview - The Shanghai Composite Index rose by 1.04% on August 20, with 30 industries experiencing gains, led by the beauty and personal care sector at 2.42% and the petroleum and petrochemical sector at 2.36% [1] - The computer industry saw an increase of 0.58% [1] Capital Flow Analysis - The main capital flow showed a net outflow of 30.229 billion yuan across the two markets, with 10 industries experiencing net inflows [1] - The electronics industry had the largest net inflow of 5.522 billion yuan, with a daily increase of 2.32%, followed by the food and beverage sector with a net inflow of 2.494 billion yuan and a daily increase of 1.39% [1] Computer Industry Performance - Within the computer industry, there were 335 stocks, with 170 rising and 156 falling; 4 stocks hit the daily limit up while 1 hit the limit down [2] - The top net inflow stocks included Inspur Information with 2.275 billion yuan, followed by Unisplendour and Zhongke Shuguang with 507 million yuan and 407 million yuan respectively [2] - The top net outflow stocks included Huasheng Tiancheng with a net outflow of 1.369 billion yuan, followed by Runhe Software and Guiding Compass with 1.119 billion yuan and 804 million yuan respectively [2][3] Top Gainers in Computer Industry - The top gainers in the computer industry included: - Inspur Information: +10.01% with a turnover rate of 11.13% and a main capital flow of 2.275 billion yuan - Unisplendour: +5.76% with a turnover rate of 6.42% and a main capital flow of 507 million yuan - Zhongke Shuguang: +4.29% with a turnover rate of 6.90% and a main capital flow of 407 million yuan [2] Top Losers in Computer Industry - The top losers in the computer industry included: - Huasheng Tiancheng: -7.30% with a turnover rate of 43.97% and a main capital flow of -1.368 billion yuan - Runhe Software: -2.25% with a turnover rate of 16.67% and a main capital flow of -1.119 billion yuan - Guiding Compass: -1.78% with a turnover rate of 10.37% and a main capital flow of -804 million yuan [3]

Market Overview - The computer equipment sector increased by 1.83% on August 20, with Inspur Information leading the gains [1] - The Shanghai Composite Index closed at 3766.21, up 1.04%, while the Shenzhen Component Index closed at 11926.74, up 0.89% [1] Top Gainers in Computer Equipment Sector - Inspur Information (000977) closed at 65.95, up 10.01% with a trading volume of 1.6361 million shares and a transaction value of 10.301 billion [1] - Yuyin Co. (002177) closed at 8.26, up 9.99% with a trading volume of 2.3639 million shares [1] - Other notable gainers include Luopute (619888) up 7.11%, Shuguang Shuchuang (872808) up 6.89%, and ST Subscription (002197) up 4.99% [1] Top Losers in Computer Equipment Sector - Xiling Information (300588) closed at 19.48, down 12.45% with a trading volume of 335,000 shares [1] - Tangyuan Electric (300789) closed at 30.01, down 3.19% [1] - Other notable losers include Hengwei Technology (603496) down 2.45% and Xuanji Information (300324) down 1.88% [1] Capital Flow Analysis - The computer equipment sector saw a net inflow of 1.241 billion from institutional investors, while retail investors contributed a net inflow of 149 million [1] - Notable net inflows from major stocks include Inspur Information with 2.121 billion and Zhongke Shuguang with 395 million [2] ETF Performance - The Food and Beverage ETF (515170) tracked a 1.56% increase with a net inflow of 10.272 million [4] - The Gaming ETF (159869) experienced a 3.22% increase but had a net outflow of 47.472 million [4] - The Cloud Computing 50 ETF (516630) saw an 8.81% increase but also faced a net outflow of 10.313 million [5]

Market Performance - The A-share market experienced a rebound on August 20, with the Shanghai Composite Index rising by 1.04%, the Shenzhen Component Index by 0.89%, and the ChiNext Index by 0.23, all reaching new highs for the year [2] - The total trading volume in the Shanghai and Shenzhen markets exceeded 2.4 trillion yuan, marking the sixth consecutive trading day with volumes above 2 trillion yuan, with over 3,600 stocks rising [2] Sector Performance - The leading sectors included liquor, semiconductors, AI glasses, and minor metals, while sectors such as chemical pharmaceuticals, CRO, and vitamins saw declines [3] Notable Stocks - The STAR Market saw a significant increase of over 3%, with the semiconductor industry chain rebounding across the board. Chipmaker Chipone Technology hit a 20% limit up, reaching a new high since its listing [5] - In the computing power concept stocks, Inspur Information and Qunxing Toys hit the limit up, while companies like Unisplendour, ZTE, and Zhongke Shuguang also saw gains [7] - Cambrian Technology surged over 8%, with its stock price surpassing 1,000 yuan, becoming the second stock in the market to reach this milestone [7] Corporate Developments - Reports indicated that China FAW Group is planning to acquire a strategic stake in Leap Motor, with an initial offer to purchase around 10% of the company's shares [7]

Group 1 - The A-share market saw a rise in the "East Data West Computing" sector, with Inspur Information (000977) hitting the daily limit, indicating strong investor interest [1] - Shuguang Data Creation increased by over 8%, while Unisplendour (000938) rose by over 4%, and Zhongke Shuguang (603019) gained over 3%, reflecting positive market sentiment towards these companies [1] - Tuo Wei Information (002261) also experienced a rise of over 2%, contributing to the overall upward trend in the sector [1]