截至2025年8月11日15时，日海智能股价报14.49元，较前一交易日下跌0.47元，跌幅3.14%。当日开盘 价为14.43元，最高触及14.85元，最低下探至13.71元，成交量为103.06万手，成交额达14.71亿元。 日海智能主营业务涵盖通信设备、物联网及大数据等领域，公司注册地位于广东省深圳市。 资金流向方面，8月11日主力资金净流出1358.28万元，占流通市值的0.25%。近五个交易日主力资金累 计净流入4791.77万元，占流通市值的0.88%。 风险提示：股市有风险，投资需谨慎。 8月11日，日海智能发布公告称，公司股票在8月7日和8月8日连续两个交易日收盘价格涨幅偏离值累计 达到20%。 ...

New Stock Issuance - Hongyuan Co., Ltd. (stock code: 920018) issued shares at a price of 9.17 on August 11, 2025[1] - China Shipbuilding Industry Corporation (stock code: 600150) has a cash acquisition request period from August 13 to August 15, 2025[1] - ST Kelly (stock code: 300326) has a tender offer period from July 17 to August 15, 2025[1] Rights and Announcements - China Heavy Industry (stock code: 601989) has a cash option declaration period starting August 13, 2025[1] - Fushun Special Steel (stock code: 600399) has a tender offer period from August 12 to September 10, 2025[1] - North Long Dragon (stock code: 301357) has an announcement link for further details[1] Market Volatility - Several stocks, including ST Xifa (stock code: 000752) and ST Aowei (stock code: 002231), are under observation for significant price fluctuations[1] - The report highlights abnormal fluctuations in stocks such as ST Songfa (stock code: 603268) and ST Yancheng (stock code: 603063)[2]

Investment Rating - The report gives a "Recommended" rating for the telecommunications industry, considering the sustained high prosperity of the sector driven by AI, 5.5G, and satellite communications [2][5]. Core Insights - The overall market performance for the week (August 4-10, 2025) saw the Shanghai Composite Index rise by 2.11%, the Shenzhen Component Index by 1.25%, and the ChiNext Index by 0.74%. The telecommunications sector index increased by 1.30% during the same period [2][11]. - Among the sub-sectors, the highest increase was seen in telecommunications cables and supporting equipment, which rose by 4.43%, while telecommunications network equipment and devices had the lowest increase at 0.11% [2][14]. - Notable individual stock performances included a 49.15% increase for Rihai Intelligent, 33.62% for Beiwai Technology, and 31.01% for Chengtian Weiye, marking them as the top gainers in the telecommunications sector [2][16]. Summary by Sections Market Overview - The telecommunications sector experienced a positive trend with a 1.30% increase in the index for the week [11]. - The sub-sector of telecommunications cables and supporting equipment led the gains with a 4.43% increase, while telecommunications network equipment and devices lagged with only a 0.11% increase [14]. Key Developments - The release of GPT-5 is expected to enhance AI applications, with ChatGPT's monthly active users projected to reach 700 million, a fourfold increase from the previous year [3][21]. - The successful launch of the low-orbit satellite internet GW constellation's 07 group of satellites marks a significant advancement in satellite internet infrastructure [3][18][19]. - North American hyperscalers reported a quarterly capital expenditure exceeding 680 billion, indicating strong growth in AI and cloud services [18]. Company Announcements - Key announcements from the telecommunications sector for the week included the completion of a share acquisition by Zhuhai Guangku Technology and the release of mid-year reports by several companies, including China Mobile, which reported a revenue of 543.769 billion, a slight decrease of 0.54% year-on-year [25][27].

Market Performance - The main board led the gains with notable increases in stocks such as Jishi Media (+10.20%), Desheng Technology (+10.02%), and Rihai Intelligent (+10.00%) [1] - The ChiNext board saw significant rises with Aerospace Intelligent Equipment (+10.64%) and Jiebang Technology (+9.61%) [1] - The Sci-Tech Innovation board was led by China Shipbuilding Gas (+7.31%) and Gaohua Technology (+7.08%) [1] - Active sub-industries included SW Communication Cables and Accessories (+2.25%) and SW Brand Consumer Electronics (+1.70%) [1] Domestic News - Aibang ARAI launched agricultural smart AR glasses with various functions including pest identification and remote guidance, already piloted in over 300 regions [1] - TSMC reported July revenue of NT$323.166 billion, a month-on-month increase of 22.5% and a year-on-year increase of 25.8%, with cumulative revenue from January to July reaching NT$2.096 trillion, up 37.6% year-on-year [1] - Sanan Optoelectronics announced that its SiC MOSFET products have been supplied in bulk to major data center and AI server power clients [1] - CINNO reported a 10% year-on-year decline in TV sales in Q2, attributed to the suspension of national subsidies in several provinces, but anticipates a mild recovery in demand as subsidy funds are fully allocated [1] Company Announcements - Wifang Optoelectronics reported H1 2025 total revenue of CNY 612 million, a year-on-year increase of 7.32%, but a net profit decrease of 32.33% to CNY 28 million [3] - Changguang Huaxin announced government subsidies totaling CNY 10.3768 million received from May 6, 2025, to the announcement date [3] - Furi Electronics reported H1 2025 total revenue of CNY 5.333 billion, a year-on-year increase of 0.42%, with net profit increasing by 123.62% to CNY 22 million [3] - Longli Technology received a patent for an injection mold that enhances OLED module strength and reliability [3] Overseas News - Skywater Technology completed a significant acquisition of a semiconductor factory in Texas for $93 million to boost domestic semiconductor manufacturing capacity [4] - AMD's CEO Lisa Su noted positive signals across all products and progress in obtaining U.S. government approval for market exports [4] - OpenAI released its most powerful AI model, GPT-5, which reportedly has a 45% lower chance of factual errors compared to GPT-4 [4] - A UK startup is focusing on developing next-generation wide bandgap semiconductor materials and devices, aiming to launch prototypes in the next 2-3 years [4]

证券代码：002313 证券简称：日海智能 公告编号：2025-057 日海智能科技股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记 载、误导性陈述或者重大遗漏。 4、公司、控股股东和实际控制人不存在关于本公司的应披露而未披露的重 大事项，也不存在处于筹划阶段的重大事项。 5、公司控股股东、实际控制人在公司股票交易异常波动期间未买卖本公司 股票。 一、股票交易异常波动的情况介绍 日海智能科技股份有限公司（以下简称"公司"）股票（证券简称：日海 智能，证券代码：002313）连续两个交易日（2025年8月7日、8月8日）内收盘 价格涨幅偏离值累计达到20%，根据《深圳证券交易所交易规则》的有关规定， 属于股票交易异常波动的情况。 二、公司关注及核实情况说明 针对公司股票交易异常波动，公司对有关事项进行了核查，并向公司控股 股东、实际控制人进行核实，现就有关情况说明如下： 1、公司前期披露的信息截至本公告披露日不存在需要更正、补充之处。 2、公司未发现近期公共传媒报道了可能或已经对公司股票交易价格产生较 大影响的未公开重大信息。 3、公司近期经营情况正常，内外部 ...

Core Viewpoint - The stock of Rihai Intelligent has experienced an abnormal fluctuation, with a cumulative closing price increase of 20% over two consecutive trading days (August 7 and August 8, 2025) [1] Summary by Relevant Sections - **Stock Performance** - Rihai Intelligent's stock price has deviated significantly, indicating unusual trading activity [1] - **Company Disclosure** - The company confirmed that there is no need to correct or supplement previously disclosed information, and no undisclosed significant information affecting the stock price has been found in public media [1] - **Operational Status** - The company's recent operations are reported to be normal, and there are no undisclosed major matters involving the controlling shareholder or actual controller during the fluctuation period [1] - **Compliance with Disclosure Regulations** - Rihai Intelligent has not violated any information disclosure regulations and has not revised its 2025 semi-annual performance forecast [1] - **Investor Advisory** - The company reminds investors to make rational investment decisions and to be aware of risks [1]

Market Overview - A total of 61 stocks hit the daily limit up, while 23 stocks faced limit down, resulting in a sealing rate of 72%. Notable performers include Guojijiangong with five consecutive limit ups and several others with four consecutive limit ups [1][3] - The market experienced narrow fluctuations throughout the day, with the three major indices slightly declining. The Shanghai Composite Index fell by 0.12%, the Shenzhen Component Index by 0.26%, and the ChiNext Index by 0.38% [1][9] - The total trading volume in the Shanghai and Shenzhen markets was 1.71 trillion yuan, a decrease of 115.3 billion yuan compared to the previous trading day [1] Stock Performance Analysis - The advancement rate for consecutive limit-up stocks dropped to 28.57%. Only Guojijiangong achieved a five-limit-up streak, while other stocks with four consecutive limit ups failed to advance [3][4] - The market saw a significant number of stocks declining, with over 2,800 stocks experiencing a drop. The sectors that performed well included Xinjiang, high-speed rail, super hydropower, and electricity, while sectors like multimodal AI, Huawei Ascend, semiconductors, and e-commerce faced declines [1][9] Key Sector Highlights Commercial Aerospace - The frequency of GW satellite launches has significantly increased, with the interval between launches reduced from one to two months to just 3-5 days. This surge is expected to benefit the liquid rocket and satellite infrastructure industries [5] - Guojijiangong's five consecutive limit ups were attributed to its involvement in the commercial aerospace sector, alongside other trend stocks like Feiwo Technology and Deen Precision Engineering [5][20] High-Speed Rail and Infrastructure - The establishment of Xinjiang Railway Co., Ltd. with a registered capital of 95 billion yuan has stimulated local stocks in Xinjiang, leading to a collective surge in share prices [6][21] - Stocks related to high-speed rail and infrastructure also saw gains, with companies like Jinying Heavy Industry and Xianghe Industrial hitting their daily limits [6] Innovative Pharmaceuticals - The recent launch of the 11th batch of national drug procurement emphasizes a "anti-involution" stance, which has positively impacted the medical device sector. Companies like Sainuo Medical and Chengyi Pharmaceutical have shown strong performance [8][24] - The innovative drug sector is experiencing a resurgence, driven by positive news regarding international expansion and FDA approvals for several products [8][24] Super Hydropower - The announcement of a 1.2 trillion yuan investment in super hydropower projects has led to a strong recovery in related stocks, with companies like Shanhe Intelligent and Shenwater Planning Institute achieving limit ups [6][28] Liquid Cooling IDC - The liquid cooling market is projected to grow significantly, driven by the increasing demand for GPU and ASIC chips. Stocks like Rihai Intelligent have benefited from this trend, achieving consecutive limit ups [7][34] Military Industry - The military sector is showing signs of recovery, with expectations of continued order announcements boosting investor confidence. Stocks like Jihua Group and Fengxing Co. have seen positive movements [37] Conclusion - The market is currently experiencing mixed signals, with certain sectors like commercial aerospace and innovative pharmaceuticals showing strong performance, while others face challenges. The overall trading volume has decreased, indicating a cautious sentiment among investors [1][9]

日海智能今日涨停，全天换手率34.54%，成交额18.37亿元，振幅14.11%。龙虎榜数据显示，机构净买 入3971.09万元，营业部席位合计净卖出2386.38万元。 深交所公开信息显示，当日该股因日涨幅偏离值达10.20%上榜，机构专用席位净买入3971.09万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交3.29亿元，其中，买入成交额为1.73亿 元，卖出成交额为1.57亿元，合计净买入1584.71万元。 资金流向方面，今日该股主力资金净流入1248.36万元，其中，特大单净流入3929.13万元，大单资金净 流出2680.78万元。近5日主力资金净流入8842.32万元。（数据宝） 日海智能8月8日交易公开信息 | 买/卖 | 会员营业部名称 | 买入金额（万元） | 卖出金额（万元） | | --- | --- | --- | --- | | 买一 | 中信证券股份有限公司杭州凤起路证券营业部 | 3666.09 | 3553.79 | | 买二 | 财通证券股份有限公司温岭中华路证券营业部 | 3665.82 | 3532.98 | | 买三 | 机构专用 | 3462.45 ...

Group 1 - A total of 61 stocks reached the daily limit up, with 10 stocks achieving consecutive limit ups, and 23 stocks failed to maintain their limit up status, resulting in a sealing rate of 72% (excluding ST and delisted stocks) [1] - Key focus stocks include Guojijinggong, which is associated with robotics and commercial aerospace concepts, achieving 5 consecutive limit ups; Dihai Intelligent, a liquid cooling server concept stock, with 4 consecutive limit ups; Hongtong Gas, a local Xinjiang stock, also with 4 consecutive limit ups; and Huaguang Huaneng, an electric power stock, achieving 4 consecutive limit ups [1] - The super hydropower concept stocks rebounded, with Shanhe Intelligent achieving a limit up after 15 days of 9 consecutive limit ups [1]

Group 1 - The liquid cooling server concept stocks experienced a significant surge in the afternoon trading session on August 8, with multiple companies hitting their daily price limit [1] - Huaguang New Material and Feilong Co., Ltd. both reached the daily limit up, indicating strong investor interest [1] - Other companies such as Yingweike, Qiangrui Technology, and Yimikang saw their stock prices increase by over 10%, while Zhongshi Technology, Shenling Environment, Rihai Intelligent, and Chunzong Technology rose by more than 5% [1]