Group 1 - On December 1, a total of 17 companies were investigated by institutions, with 13 companies being surveyed by funds, indicating strong interest in these firms [1] - Tianhua New Energy was the most popular, with 40 funds participating in its survey, followed by Yian Technology and Huadian Technology with 14 and 4 funds respectively [1] - Among the surveyed companies, there were 3 from the Shenzhen Main Board, 9 from the ChiNext Board, and 1 from the Shanghai Main Board [1] Group 2 - The total market capitalization of the surveyed A-shares included 1 company with a market cap over 50 billion yuan and 7 companies with a market cap below 10 billion yuan, such as Huawu Co., Weili Transmission, and Yuehai Feed [1] - In terms of market performance, 11 out of the surveyed stocks increased in the last 5 days, with Tongyu Communication, Henghui Security, and Jiayuan Technology showing the highest gains of 43.97%, 25.35%, and 22.20% respectively [1] - Among the surveyed stocks, 6 experienced net capital inflows in the last 5 days, with Hunan Yuneng receiving the most at 449 million yuan, followed by Tongyu Communication and Tianhua New Energy with net inflows of 437 million yuan and 341 million yuan respectively [1]

计算机行业 行业研究 | 动态跟踪 太空算力未来可期，关注核心收益环节 核心观点 投资建议与投资标的 我们认为 AI 算力以及卫星信息基础设施相关标的都有望受益太空算力的发展： AI 算力：海光信息(688041，买入)、寒武纪-U(688256，未评级)； 卫星基础设施：中科星图(688568，未评级)、佳缘科技(301117，未评级)、航天宏图 (688066，增持)、盛邦安全(688651，未评级)。 风险提示 研发进展不及预期； 商业化进展不及预期。 国家/地区 中国 行业 计算机行业 报告发布日期 2025 年 12 月 02 日 看好（维持） | 陈超 | 执业证书编号：S0860521050002 | | --- | --- | | | chenchao3@orientsec.com.cn | | | 021-63326320 | | 浦俊懿 | 执业证书编号：S0860514050004 | | | pujunyi@orientsec.com.cn | | | 021-63326320 | | 宋鑫宇 | 执业证书编号：S0860524090002 | | | songxinyu@orient ...

Core Insights - The DRG/DIP concept sector experienced a decline of 0.89%, ranking among the top losers in the market [1] - Notable stocks within the sector included Langchao Software, Jiayuan Technology, and Digital Certification, which saw significant declines, while Shichuang Medical, Taiji Co., and Saili Medical were among the few that increased in value [1] Market Performance - The top-performing concept sectors included Smart Speakers (+3.71%), AI Phones (+3.39%), and Zinc Metals (+2.86%), while the DRG/DIP sector was among the laggards with a decline of 0.89% [2] - The DRG/DIP sector faced a net outflow of 311 million yuan, with 17 stocks experiencing net outflows, and 9 stocks seeing outflows exceeding 10 million yuan [2] Key Stocks and Fund Flow - Langchao Software led the outflow with a net withdrawal of 148 million yuan, followed by Rongke Technology and Shichuang Medical with outflows of 53.22 million yuan and 32.94 million yuan, respectively [2][3] - Conversely, Taiji Co., Weining Health, and Guoxin Health were the top gainers in terms of net inflow, attracting 41.91 million yuan, 16.34 million yuan, and 7.48 million yuan, respectively [2] Detailed Stock Movements - Langchao Software saw a decline of 6.01% with a turnover rate of 22.29% and a net outflow of 147.51 million yuan [2][3] - Other notable declines included Rongke Technology (-2.50%), Shichuang Medical (+4.18%), and Donghua Software (-0.20%) [2][3] - Taiji Co. and Weining Health showed positive movements with increases of 1.60% and 1.28%, respectively, while Guoxin Health remained stable with a slight decrease of 0.20% [2][3]

Market Overview - The computer equipment sector increased by 1.28% on December 1, with Zhongwei Electronics leading the gains [1] - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1] Top Performers - Zhongwei Electronics (300270) closed at 13.45, up 14.27% with a trading volume of 507,900 shares and a transaction value of 653 million yuan [1] - Fushen Technology (920190) closed at 27.48, up 6.02% with a trading volume of 54,800 shares and a transaction value of 149 million yuan [1] - Yilong Information (300588) closed at 32.40, up 4.92% with a trading volume of 195,900 shares and a transaction value of 633 million yuan [1] Underperformers - Siwei Liekong (603508) closed at 27.88, down 10.01% with a trading volume of 241,100 shares and a transaction value of 679 million yuan [2] - Tianmai Technology (300807) closed at 45.70, down 4.77% with a trading volume of 30,300 shares and a transaction value of 140 million yuan [2] - Tangyuan Electric (300789) closed at 24.20, down 4.01% with a trading volume of 35,300 shares and a transaction value of 85.87 million yuan [2] Capital Flow - The computer equipment sector experienced a net outflow of 458 million yuan from institutional investors, while retail investors saw a net inflow of 159 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment among different investor types [2] Individual Stock Capital Flow - Aerospace Intelligence (300455) had a net inflow of 106 million yuan from institutional investors, while retail investors experienced a net outflow of 53.89 million yuan [3] - Dahua Technology (002236) saw a net inflow of 75.84 million yuan from institutional investors, with retail investors facing a net outflow of 48.41 million yuan [3] - Zhongwei Electronics (300270) had a net inflow of 29.62 million yuan from institutional investors, while retail investors faced a net outflow of 17.87 million yuan [3]

Core Viewpoint - On November 28, the Shanghai Composite Index rose by 0.34%, the Shenzhen Component Index increased by 0.85%, and the ChiNext Index went up by 0.7%. The most significant net inflow of funds was into Aerospace Development (000547.SZ), amounting to 392 million yuan, while the largest net outflow was from Zhongsheng Pharmaceutical (002317.SZ), totaling 277 million yuan [1][3]. Group 1: Stock Performance - Aerospace Development saw a closing price increase of 10.02% with a turnover rate of 25.76% and a net buying amount of 392.34 million yuan, accounting for 7.59% of the total trading volume [3][4]. - Zhongsheng Pharmaceutical experienced a closing price drop of 10% with a turnover rate of 18.78% and a net selling amount of 276.59 million yuan, representing 7.84% of the total trading volume [4][10]. Group 2: Institutional Activity - A total of 25 stocks appeared on the trading leaderboard, with institutions participating in 18 stocks, resulting in a net buying amount of 505 million yuan [4][5]. - The stock with the highest institutional net buying was New Jin Road (000510.SZ), which closed up by 5.65% and had a turnover rate of 39.07% [5][6]. Group 3: Northbound Capital - Northbound capital participated in 18 stocks, with a total net outflow of 93.56 million yuan, where the most significant net buying was in Aerospace Development, amounting to 92.68 million yuan [10][13]. - The stock with the highest net selling by northbound capital was Shida Group (600734.SH), with a net outflow of 102 million yuan, closing down by 8.3% [10][14]. Group 4: Divergence in Institutional and Northbound Capital - There was a divergence in the trading of certain stocks, such as Haiwang Biological, where institutions sold 22.34 million yuan while northbound capital bought 442.09 million yuan [13][14]. - In the case of Wanrun New Energy, institutions net bought 32.63 million yuan, while northbound capital net sold 51.75 million yuan [13][14].

Core Insights - On November 28, a total of 25 stocks were involved with institutional investors, with 16 showing net buying and 9 showing net selling [1] - The top three stocks with net buying by institutions were Xinjinlu, Nanguang Digital, and Wantong Development, with net buying amounts of 120.38 million, 102.66 million, and 98.32 million respectively [1][2] - The top three stocks with net selling by institutions were Rongji Software, Jiayuan Technology, and Annie Shares, with net selling amounts of 102.63 million, 78.76 million, and 33.53 million respectively [1][3] Institutional Buying Summary - Xinjinlu had a price increase of 5.65% with a net buying of 120.38 million [2] - Nanguang Digital experienced a price decrease of 4.00% with a net buying of 102.66 million [2] - Wantong Development saw a price drop of 7.38% with a net buying of 98.32 million [2] - Other notable stocks with institutional buying included Dongtian Micro (20.00% increase, 62.84 million net buying) and Aerospace Power (6.49% increase, 53.29 million net buying) [2] Institutional Selling Summary - Rongji Software had a price decrease of 0.99% with a net selling of 102.63 million [3] - Jiayuan Technology saw a price increase of 5.39% with a net selling of 78.76 million [3] - Annie Shares experienced a price drop of 1.38% with a net selling of 33.53 million [3] - Other stocks with significant institutional selling included Haixin Food (10.03% increase, 0.77 million net selling) and Zhongsheng Pharmaceutical (10.00% decrease, 15.58 million net selling) [3]

Core Insights - Jiarun Technology's stock rose by 5.39% with a turnover rate of 38.66% and a trading volume of 1.543 billion yuan, indicating significant market activity [2] - Institutional investors net sold 78.76 million yuan, while brokerage seats collectively net sold 13.72 million yuan, reflecting a bearish sentiment among institutional players [2] - The stock has appeared on the "Dragon and Tiger List" seven times in the past six months, with an average price increase of 2.43% the day after being listed and an average increase of 3.24% over the following five days [3] Trading Activity - The top five brokerage seats accounted for a total trading volume of 459 million yuan, with buying amounting to 183 million yuan and selling amounting to 276 million yuan, resulting in a net sell of 92.48 million yuan [2] - Specific trading details show that three institutional seats were involved, with total buying of 119 million yuan and selling of 198 million yuan, leading to a net sell of 78.76 million yuan [2] Fund Flow - On the day of reporting, the stock saw a net inflow of 18.14 million yuan from major funds, with large orders contributing 8.89 million yuan and big orders contributing 9.25 million yuan [3] - Over the past five days, the net inflow of major funds totaled 8.77 million yuan, indicating a positive trend in fund flow despite the net selling by institutions on the reporting day [3]

Core Viewpoint - Jiajun Technology (301117.SZ) experienced significant stock price fluctuations, with a cumulative increase of 31.11% over three consecutive trading days, triggering abnormal trading conditions as per Shenzhen Stock Exchange regulations [1] Shareholder Actions - Vice Chairman and General Manager Zhu Weimin and Deputy General Manager Zhu Weihua sold shares during the period of abnormal trading [1] - Zhu Weihua reduced his holdings from 10,066,640 shares to 7,920,340 shares, a decrease from 7.7934% to 6.1318% of total shares [1] - Zhu Weimin's holdings decreased from 6,458,405 shares to 5,294,705 shares, reducing his stake from 5.0000% to 4.0991% [1] Share Reduction Details - Zhu Weihua's share reductions included: - 493,700 shares at an average price of 40.78 CNY/share on November 11, 2025 [2] - 797,930 shares at an average price between 37.31 CNY/share and 37.75 CNY/share from November 18 to November 21, 2025 [2] - 1,348,370 shares at an average price of 38.00 CNY/share on November 25, 2025 [2] - Total reduction amounted to approximately 1 billion CNY [2] - Zhu Weimin's share reductions included: - 601,200 shares at an average price of 40.91 CNY/share on November 11, 2025 [2] - 690,400 shares at an average price between 37.51 CNY/share and 37.78 CNY/share from November 19 to November 21, 2025 [2] - 473,300 shares at an average price of 38.00 CNY/share on November 25, 2025 [2] - Total reduction amounted to approximately 0.7 billion CNY [2] Total Share Reduction - The combined total of shares reduced by Zhu Weihua and Zhu Weimin from November 11 to November 25, 2025, was 4,404,900 shares, with a total monetary value of approximately 1.7 billion CNY [3]

Core Viewpoint - Jiarun Technology (301117.SZ) experienced a decline of 6.46% to 47.75 CNY, with a total market capitalization of 61.68 billion CNY following the completion of a share reduction plan by two shareholders holding over 5% of the company [1] Group 1: Shareholder Activity - Two shareholders, Zhu Weihua and Zhu Weimin, completed their share reduction plan, with Zhu Weihua originally holding 10.56 million shares (8.18%) and Zhu Weimin holding 7.06 million shares (5.47%) [1] - The reduction involved a total of 1.7649 million shares, accounting for 1.3664% of the company's shares [1] Group 2: Company Overview - Jiarun Technology specializes in network information security products for specialized industries, with applications in aerospace, aviation, and ground sectors [1] - The company holds a competitive position among private cybersecurity enterprises in China [1]

Industry News - The China Insurance Industry Association issued a risk warning regarding the "Anwo Stock Insurance" business, stating that it is not an approved insurance product and that stock investment losses are not insurable. The platform's activities may involve illegal financial operations [6]. - Beijing's Internet Information Office and the Beijing Financial Regulatory Bureau launched a three-month campaign to address six types of online financial misconduct, focusing on misleading public information and illegal financial services [7]. - The Ministry of Industry and Information Technology and five other departments released a plan to enhance the adaptability of supply and demand for consumer goods, aiming for a significant optimization of the supply structure by 2027, with three trillion-level consumption sectors and ten hundred-billion-level consumption hotspots [7]. - The Ministry of Natural Resources announced breakthroughs in the efficient extraction of low-grade rare metals from coal, aluminum, copper, lead, and zinc ores, with significant improvements in recovery rates for various metals [7]. - The first hydrogen refueling station in China utilizing underground hydrogen storage technology has been operational for over 1500 days, supplying over 400 tons of hydrogen, marking a significant advancement in high-pressure underground hydrogen storage technology [8]. Company News - Dongwei Technology announced a significant increase in PCB plating equipment orders, driven by rapid growth in the PCB and memory sectors, with expected record-high order amounts this year [11]. - North University Pharmaceutical stated that related flu medications have not yet been produced or sold, and this will not impact the company's performance for a considerable time [12]. - *ST Dongtong disclosed that its annual reports from 2019 to 2022 contained false records and has received a notice of termination of listing [13]. - Debang Technology's largest shareholder, the National Big Fund, reduced its stake by 2% between September 11 and October 16, completing its reduction plan [13]. - Muxi Co., Ltd. plans to issue 40.1 million shares, with the initial strategic placement of 8.02 million shares, and the subscription date set for December 5, 2025 [15].