一、股票交易异常波动情况 珠海光库科技股份有限公司（以下简称"公司"）股票交易价格于 2025年 8月 12 日、2025 年 8 月 13 日连续 2 个交易日内日收盘价格涨幅偏离值累计超过 30%， 根据《深圳证券交易所交易规则》等相关规定，属于股票交易异常波动的情况。 二、公司关注并核实的情况说明 证券代码：300620 证券简称：光库科技 公告编号：2025-054 珠海光库科技股份有限公司 股票交易异常波动公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记 载、误导性陈述或重大遗漏。 4、公司目前经营正常，公司经营情况及内外部经营环境未发生重大变化； 针对公司股票交易异常波动，公司董事会通过电话及现场问询等方式对公司控 股股东、实际控制人、公司全体董事、监事及高级管理人员就相关问题进行了核 实，现将有关情况说明如下： 1、公司前期披露的信息不存在需要更正、补充之处； 2、公司正在筹划发行股份和可转换公司债券及支付现金购买资产并募集配套 资金暨关联交易事项。2025 年 7 月 29 日，公司披露了《关于筹划发行股份和可转 换公司债券及支付现金购买资产并募集配套资金事项的停牌公 ...

Core Insights - The AI hardware sector continues to surge, with companies like Industrial Fulian reaching historical highs, reporting a price of 43.68 yuan and a market capitalization exceeding 860 billion yuan [1] - The AI hardware ETF sector has seen significant growth, with various ETFs such as the ChiNext 50 ETF and communication ETFs experiencing increases of 6.89% and 6.45% respectively [1][3] - North American cloud providers are significantly increasing capital expenditures, with projections indicating a rise to $445 billion by 2025, reflecting a 56% year-over-year growth [5][12] Company Performance - Industrial Fulian's production yield for the GB200 series is improving, with increasing shipment volumes [5] - TSMC reported a revenue of 323.17 billion NTD in July, marking a 25.8% year-over-year increase [5] - Major cloud service providers like Amazon, Alphabet, Meta Platforms, and Microsoft are expected to collectively spend $359 billion in capital expenditures by 2025, a 57% increase from the previous year [5] ETF Market Dynamics - The AI hardware ETFs have shown robust performance, with the ChiNext AI ETF and others experiencing gains of 6.25% to 6.89% [3] - The largest ETF tracking the 5G communication index has a current scale of 7.188 billion yuan, while the communication ETF stands at 4 billion yuan [10] - The management fees for ETFs tracking cloud computing indices are among the lowest, with a combined rate of 0.20% [8] Industry Trends - The global AI model releases are driving demand for computational power, with significant releases from OpenAI and Huawei [6] - The AI sector has not yet reached overheating levels, with moderate trading volumes and excess returns since June [6] - The capital expenditures of major cloud companies are expected to continue expanding, with a compound annual growth rate (CAGR) of 33.74% projected from 2021 to 2024 [12]

Core Viewpoint - The article discusses the positive impact of the U.S. CPI data on market expectations for interest rate cuts by the Federal Reserve, leading to significant gains in both U.S. and Chinese stock markets [2][3]. Group 1: Market Reactions - The U.S. July CPI increased by 2.7% year-on-year, aligning with market expectations, while the core CPI rose by 3.1%, which boosted the probability of a 25 basis point rate cut by the Federal Reserve in September [2]. - Following the CPI data release, U.S. stock indices experienced a collective rise, and the Chinese market also saw significant gains, particularly in the brokerage sector, with stocks like Guosheng Financial and Great Wall Securities hitting the daily limit [2]. Group 2: Sector Performance - The brokerage sector has shown a strong upward trend since late June, breaking through previous resistance levels, indicating a healthy market condition with increasing volume and price [5]. - The technology sector, particularly AI-related stocks, has also surged, with companies like Guangku Technology experiencing substantial price increases, reflecting strong investor interest and potential [2]. Group 3: Future Investment Opportunities - Short-term prospects indicate that increased trading volume and positive index performance will enhance the profitability of brokerage firms, leading to upward revisions in earnings expectations and valuations [6]. - Long-term, the supply-side reform in the industry is expected to progress steadily, benefiting leading brokerages and specialized smaller firms, which will enhance their market share and profitability [6]. - The current market environment is characterized by active participation from retail investors and leveraged funds, supported by favorable policies aimed at nurturing the capital market, which is expected to provide a solid foundation for the ongoing market rally [6].

融资融券数据显示，该股最新（8月12日）两融余额为6.60亿元，其中，融资余额为6.58亿元，融券余额 为228.64万元。近5日融资余额合计减少3370.15万元，降幅为4.88%，融券余额合计增加38.09万元，增 幅19.99%。（数据宝） 光库科技8月13日交易公开信息 | 买/ | 会员营业部名称 | 买入金额（万 | 卖出金额（万 | | --- | --- | --- | --- | | 卖 | | 元） | 元） | | 买一 | 国泰海通证券股份有限公司南京太平南路证券营业部 | 9998.74 | 41.99 | | 买二 | 国泰海通证券股份有限公司成都北一环路证券营业部 | 7982.22 | 4.73 | | 买三 | 浙商证券股份有限公司宁波分公司 | 6740.52 | 0.00 | | 买四 | 国泰海通证券股份有限公司上海松江区中山东路证券营 业部 | 5366.21 | 7.14 | | 买五 | 东亚前海证券有限责任公司苏州分公司 | 4966.57 | 0.00 | | 卖一 | 东吴证券股份有限公司上海浦东新区银城中路证券营业 | 0.00 | 4134.70 | | ...

Market Overview - On August 13, the communication equipment sector rose by 6.06% compared to the previous trading day, with Guangku Technology leading the gains [1] - The Shanghai Composite Index closed at 3683.46, up 0.48%, while the Shenzhen Component Index closed at 11551.36, up 1.76% [1] Top Gainers in Communication Equipment Sector - Guangku Technology (300620) closed at 79.30, up 20.01% with a trading volume of 281,600 shares and a transaction value of 2.204 billion [1] - Xinyi Technology (300502) closed at 236.56, up 15.45% with a trading volume of 601,100 shares and a transaction value of 13.529 billion [1] - Dingtong Technology (688668) closed at 115.36, up 13.10% with a trading volume of 111,200 shares [1] - Other notable gainers include Zhongji Xuchuang (300308) up 11.66%, Jiexun Feihong (300213) up 10.79%, and Tefa Information (000070) up 10.02% [1] Market Capital Flow - The communication equipment sector saw a net inflow of 2.48 billion from institutional investors, while retail investors experienced a net outflow of 6.38 billion [2] - The top stocks by net inflow from institutional investors include Tianfu Communication (300394) with a net inflow of 619 million, and ZTE Corporation (000063) with a net inflow of 313 million [3] Underperformers in Communication Equipment Sector - Dayhai Intelligent (002313) closed at 12.81, down 5.67% with a trading volume of 907,500 shares and a transaction value of 1.187 billion [2] - ST Gaohong (000851) closed at 1.90, down 5.00% with a trading volume of 13,900 shares [2] - Other underperformers include Cheng Tian Wei Ye (300689) down 4.73% and ST Lu Tong (300555) down 1.67% [2]

通过天眼查大数据分析，珠海光库科技股份有限公司共对外投资了5家企业，参与招投标项目78次，知 识产权方面有商标信息4条，专利信息250条，此外企业还拥有行政许可82个。 来源：金融界 光库科技最新一期业绩显示，截至2025一季报，公司营业总收入2.65亿元、同比增长65.53%，归属净利 润1084.48万元，同比增长66.97%，扣非净利润541.67万元，同比增长83.29%，流动比率2.461、速动比 率2.089、资产负债率36.69%。 天眼查商业履历信息显示，珠海光库科技股份有限公司，成立于2000年，位于珠海市，是一家以从事计 算机、通信和其他电子设备制造业为主的企业。企业注册资本24918.0545万人民币，实缴资本 24918.0545万人民币。公司法定代表人为郭瑾。 金融界消息 截至2025年8月13日收盘，光库科技（300620）报收于79.3元，上涨20.01%，换手率 11.41%，成交量28.16万手，成交金额22.04亿元。 资金流向方面，今日主力资金净流入2.13亿元，占比成交额9.65%。其中，超大单净流入4.43亿元、占 成交额20.12%，大单净流出23071.77万元、 ...

（文章来源：每日经济新闻） 每经AI快讯，截至8月13日收盘，共18只个股5日量比超过5倍。光库科技5日量比达82.92倍，广钢气 体、物产金轮等5日量比均超8倍。 ...

Core Viewpoint - Guangku Technology is strengthening its position in the optical communication industry through an asset restructuring plan to acquire 100% of Suzhou Anjie Xun Optoelectronics Technology Co., Ltd. [1][4] Group 1: Acquisition Details - The acquisition will be financed through issuing shares, convertible bonds, and cash payments, along with raising matching funds from no more than 35 specific investors [3] - The transaction aims to enhance Guangku Technology's product and technology layout, increase operational scale, and strengthen competitive advantages in the industry [4][5] Group 2: Market Response - Following the announcement of the restructuring plan, Guangku Technology's stock price hit the daily limit, closing at 66.08 yuan per share, reflecting a 19.99% increase [2][5] Group 3: Financial Performance - Guangku Technology expects a net profit of 48.56 million to 54.63 million yuan for the first half of 2025, representing a year-on-year growth of 60% to 80% [1][7] - Anjie Xun's financials show a significant revenue increase, with projected revenue growth of 227.3% in 2024, turning from a loss to a profit [6][7] Group 4: Strategic Importance - The acquisition is positioned as a strategic move to leverage synergies in technology, production processes, and customer bases, which will enhance both companies' operational efficiencies and profitability [7][8] - Anjie Xun has established production bases in Suzhou, Hebi, and Thailand, and has long-term partnerships with leading clients in the industry, which will benefit Guangku Technology post-acquisition [5][6]

Market Overview - The Shanghai Composite Index closed at 3686.34 points, up 0.56% [1] - The Shenzhen Component Index closed at 11518.83 points, up 1.47% [1] - The ChiNext Index rose by 2.81% and the Sci-Tech 50 Index increased by 0.62% [1] Stock Performance - Among the tradable A-shares, 2590 stocks rose, accounting for 48.11%, while 2495 stocks fell, and 299 stocks remained flat [1] - There were 57 stocks that hit the daily limit up, while 2 stocks hit the limit down [1] - The leading sectors for limit-up stocks included machinery equipment, automotive, and computer industries, with 8, 8, and 5 stocks respectively [1] Notable Stocks - The stock with the highest limit-up order volume was Quzhou Development, with 29,808.92 thousand shares and a total order value of 1.35 billion yuan [1] - Other notable stocks with significant limit-up orders included Cangzhou Mingzhu and Changcheng Securities, with order volumes of 7,947.83 thousand shares and 6,797.30 thousand shares respectively [1] - The stocks with the highest limit-up order values were Quzhou Development, Rongke Technology, and Guangku Technology, with values of 1.35 billion yuan, 1.05 billion yuan, and 775 million yuan respectively [1][2]

Group 1 - The demand for AI computing power has surged, leading to significant increases in optical module stocks, with companies like Guangku Technology hitting the daily limit, and others like New Yisheng and Zhongji Xuchuang also experiencing substantial gains [1] - The communication ETF (515880) has risen over 4%, reaching new highs, with net inflows exceeding 800 million yuan in the past 10 trading days [1] Group 2 - The development of large models has accelerated, with the DeepSeek-R1 model launched in early 2025 achieving capabilities comparable to leading overseas models at a fraction of the training cost, sparking concerns over "computing power deflation" [3] - The global number of released large models has reached 3,755, indicating intense competition in the large model industry [3] Group 3 - AI commercialization is strengthening, with OpenAI's annual revenue reaching $12 billion, a significant increase from $4 billion in 2024, and Anthropic's revenue exceeding $4 billion, growing fourfold in the first half of 2025 [4] - The rise of "Chinese AI" is driving domestic investment, with major companies like Alibaba and ByteDance becoming core clients for cloud hardware [4] Group 4 - The market for optical modules is expanding due to increased usage and accelerated rate iterations, with the 800G optical module expected to see large-scale deployment in 2024 [5] - The global demand for 400G+ high-speed optical modules is projected to grow rapidly, with expectations of 20 million units for 800G and 1.6T demand reaching approximately 1.5 million units by 2025 [6] Group 5 - Leading companies in the high-speed optical module market are positioned to capitalize on product iteration opportunities, maintaining a significant market share due to their coverage of major internet clients and advancements in silicon photonics [9] - The communication ETF (515880), which includes major players in the optical module sector, is expected to benefit from the surge in AI computing power demand [9]