转自：证券时报 人民财讯12月17日电，12月17日龙虎榜上榜个股中，分别有11只、5只股前五大买卖营业部中出现深股 通及沪股通专用席位的身影。深沪股通净买入的个股共有8只，净买入金额最多的是深南电路，深股通 专用席位净买入1.46亿元，其次是盛新锂能、航天机电、光迅科技等，净买入金额分别为1.09亿元、 8518.00万元、6642.09万元。净卖出居前的有雪人集团、生物股份、炬光科技等，净卖出金额分别为 1.43亿元、5491.70万元、5346.98万元。 ...

Summary of Key Points Core Viewpoint - On December 17, a total of 32 stocks were involved with institutional investors, with 18 showing net buying and 14 showing net selling. Group 1: Institutional Net Buying - The top three stocks with the highest net buying by institutions were: - Juguang Technology: Net buying amount of 291.32 million yuan, with a price increase of 17.34% [1][2] - ShenNan Circuit: Net buying amount of 173.44 million yuan, with a price increase of 10.00% [1][2] - Hualing Cable: Net buying amount of 124.66 million yuan, with a price increase of 5.21% [1][2] Group 2: Institutional Net Selling - The top three stocks with the highest net selling by institutions were: - Yingweike: Net selling amount of 220.25 million yuan, with a price increase of 10.00% [1][3] - XueRen Group: Net selling amount of 140.22 million yuan, with a price increase of 2.72% [1][3] - Guangxun Technology: Net selling amount of 124.14 million yuan, with a price increase of 10.01% [1][3]

Group 1 - CICC is planning to absorb and merge Dongxing Securities and Xinda Securities through a share swap, with trading resuming on December 18, 2025 [1] - Victory Energy's major shareholder plans to transfer 29.99% of its shares to Qiteng Robotics, with no plans for asset restructuring in the next 12 months [2] - China Metallurgical Group intends to repurchase A-shares worth 1 to 2 billion yuan at a price not exceeding 4.9 yuan per share [3] Group 2 - Boten Co. plans to acquire part of the Yifeng Yunding Fund for 1 yuan, with a commitment to fulfill a 20 million yuan capital contribution [4] - Tongyou Technology has initiated a 50 million yuan accounts receivable factoring business [5] - Gaode Infrared has received approval to issue debt financing tools totaling up to 3 billion yuan [6] Group 3 - Zhengyu Industrial's application for a private placement of A-shares has been approved by the Shanghai Stock Exchange [7] - China CRRC signed contracts totaling approximately 53.31 billion yuan, accounting for 21.6% of its projected 2024 revenue [9] - High Energy Environment's director increased his stake by purchasing 56,100 shares [10] Group 4 - Shantou Technology received approval from the CSRC for a convertible bond issuance [11] - Puyang Co. plans to use up to 900 million yuan of idle funds for entrusted wealth management [12] - Huibai New Materials has been awarded a government subsidy of 3.8 million yuan, with the first installment of 2.12 million yuan already received [13] Group 5 - Jiayuan Technology's shareholders plan to transfer 2.51% of the company's shares through a pricing inquiry [14] - Lingpai Technology's subsidiary terminated a 125 million yuan procurement contract due to market changes [15] - Juguang Technology intends to use up to 200 million yuan of idle funds for cash management [16] Group 6 - Zhongwen Media's subsidiary terminated a 200 million yuan private equity fund subscription due to market changes [17] - Zhifei Biological's modified vaccine for monkeypox has received clinical trial acceptance [19] - GeKowei's subsidiary received a government subsidy of 60 million yuan, accounting for 32.12% of the company's audited net profit [20] Group 7 - Wantai Biological's application for a clinical trial of a respiratory syncytial virus vaccine has been accepted [21] - Haitai Technology plans to increase capital in its Thai joint venture from 500,000 to 3 million Thai baht [22] - Shanghai Airport signed contracts for the transfer of duty-free store operating rights [23] Group 8 - Del Shares received approval to issue shares for the acquisition of 100% of Aizhuo Intelligent [24] - Novozymes' products have obtained EU CE IVDR certification [25] - Shibai Testing's chairman's assistant plans to increase shareholding by 8 to 12 million yuan [26] Group 9 - Huitian New Materials plans to invest approximately 97.68 million yuan in a lithium battery anode glue project [27] - Pudong Construction's subsidiaries won contracts totaling 1.649 billion yuan [29] - Acolyte's subsidiary has entered trial production for a special high-temperature resistant resin project [30] Group 10 - Pingzhi Information's subsidiary signed a 38.25 million yuan computing power service contract [31] - Tianma Technology is required to pay 5.3625 million yuan in taxes and penalties [32] - Yahon Pharmaceutical's clinical trial application for GLX002 has been approved [34]

Group 1: Institutional Trading Insights - On the institutional trading leaderboard, 43 stocks were listed, with 23 experiencing net buying and 20 facing net selling [1] - The top three stocks with the highest net buying by institutions were: Juguang Technology (291 million), Shennan Circuit (173 million), and Hualing Cable (125 million) [1] - Shennan Circuit is recognized as a leading domestic IC substrate manufacturer and a major supplier of RF power amplifier PCBs for wireless base stations globally [1] Group 2: Liquid Cooling Technology - Yidong Electronics has developed liquid cooling structures and modules for high-density GPU servers and AI data centers [1] - Yingweike's liquid cooling server pipeline products have achieved V0-level standards and received UL certification, positioning the company as a supplier for NVIDIA's data center components [1] - CICC believes that the launch of Google TPUv7 signifies a shift towards self-developed ASIC clusters, which may accelerate the growth of the AI computing hardware market, including PCBs and liquid cooling systems [1] Group 3: Lithium Battery Sector - Shengxin Lithium Energy's SDLA salt lake project in Argentina has an annual production capacity of 2,500 tons of lithium carbonate equivalent, with normal production conditions [2] - The company is also investing in multiple exploration projects in Argentina, including Pocitos and Arizaro salt lake projects [2] - The company is closely monitoring solid-state battery technology and is developing relevant materials to support future advancements in this area [3] Group 4: Lithium Market Dynamics - On December 17, lithium carbonate futures prices surged, with the main contract increasing by 7% to 108,020 yuan per ton [4] - The Yichun Natural Resources Bureau announced plans to revoke 27 mining rights, raising concerns about a potential supply contraction in lithium resources [4] - Huaxi Securities noted that the revocation of mining rights in Yichun, a key lithium mining area, will directly reduce effective lithium supply, while demand from electric vehicles and energy storage continues to grow [4]

12月17日，沪指涨1.19%，深成指涨2.4%，创业板指涨3.39%。全市场成交额1.83万亿元，超3600股上涨。能源金属、算力硬件、电池、保险等板块涨幅居 前，海南、军工等下跌。 焦点股方面，零售股百大集团晋级5连板，实控人变更的胜通能源4连板、皮阿诺3连板，智能驾驶概念股三羊马3连板，钧达股份、金圆股份（维权）4天2 板，浙江世宝、翠微股份等2连板。 | 代码 | 名称 | 价格 | | 涨幅量 | 换手% 几天几板 2 ... | 成交额 | 成交量 涨停分析 | | --- | --- | --- | --- | --- | --- | --- | --- | | 301123 | 奕东电子 | 52.78 | +8.80 | +20.01% | 18.13% 百板涨停 | 15.347. | 29.93万 液冷+AI服务器 | | 301205 | 联特科技 | 174.00 +29.00 | | +20.00% | 30.14% 自板涨停 | 32.747. | 20.49万 CPO+800G、1. | | 300221 | 古鳌科技 | 16.80 | +2.80 | +20.00% | 1 ...

Core Insights - The rapid development of AI computing power and data centers has led to a surge in demand for optical modules, which are core components of communication links [1][2][3] - Companies such as LianTe Technology, Guangxun Technology, and others are leading the market with significant stock price increases [1][2] Company Summaries - **LianTe Technology (301205.SZ)**: Latest stock price is 174.00 CNY with a daily increase of +20.00%. The company focuses on optical communication module research, production, and sales, mastering key technologies like optoelectronic chip integration [1] - **Guangxun Technology (002281.SZ)**: Latest stock price is 68.59 CNY with a daily increase of +10.01%. It is a global leader in optoelectronic devices, having developed silicon photonics 2.5D/3D integration packaging technology [1] - **JuGuang Technology (688167.SS)**: Latest stock price is 186.02 CNY with a daily increase of +17.34%. The company has acquired Swiss products for efficient collimation and focusing of laser light sources used in optical modules [1] - **Yuanjie Technology (688498.SH)**: Latest stock price is 664.00 CNY with a daily increase of +10.67%. The company is focused on laser products required for CPO, with CW high-power laser technology applicable in the CPO field [1] - **Xinyi Technology (300502.SZ)**: Latest stock price is 446.10 CNY with a daily increase of +9.55%. The company has a deep layout in the CPO field, offering over 3000 types of optical module products across various industry scenarios [1] - **Tianfu Communication (300394.SZ)**: Latest stock price is 217.78 CNY with a daily increase of +9.27%. The company provides overall solutions for optical devices, with mid-to-high-speed optical devices serving CPO-related optical modules [1] - **Hengtong Optic-Electric (600487.SH)**: Latest stock price is 21.67 CNY with a daily increase of +8.84% [1] Additional Company Highlights - **Ruijie Networks (301165.SZ)**: Latest stock price is 83.52 CNY with a daily increase of +7.84%. The company has launched a CPO technology data center switch and contributed to the COBO/CPO switch design white paper [2] - **Guangku Technology (300620.SZ)**: Latest stock price is 166.92 CNY with a daily increase of +7.13%. The company has introduced a high-brightness polarization-maintaining fiber array collimator for CPO applications [2] - **Zhongji Xuchuang (300308.SZ)**: Latest stock price is 589.98 CNY with a daily increase of +6.92%. It is a global leader in optical modules, with CPO being an important evolution direction for its products [2] - **Changxin Bochuang (300548.SZ)**: Latest stock price is 134.33 CNY with a daily increase of +6.91%. The company has released external light source modules for CPO based on silicon photonics technology [2] - **Shijia Photon (688313.SH)**: Latest stock price is 101.90 CNY with a daily increase of +6.63%. The company offers high-power CW DFB laser chip products applicable in CPO packaging [2] - **Huagong Technology (000988.SZ)**: Latest stock price is 77.29 CNY with a daily increase of +6.45%. The company is advancing next-generation high-speed optical modules starting from 1.6T and 3.2T [2] - **Cambridge Technology (603083.SH)**: Latest stock price is 113.00 CNY with a daily increase of +6.00%. The company is researching CPO optoelectronic hybrid packaging technology in collaboration with equipment manufacturers [2] Emerging Trends - Companies are increasingly focusing on CPO (Co-Packaged Optics) technology, which is seen as a significant evolution in optical modules, with many firms actively developing related products and technologies [1][2][3]

中信建投证券股份有限公司 关于西安炬光科技股份有限公司 使用暂时闲置募集资金进行现金管理的核查意见 中信建投证券股份有限公司（以下简称"中信建投证券"或"保荐人"）作 为西安炬光科技股份有限公司（以下简称"炬光科技"或"公司"）首次公开发 行股票并在科创板上市的保荐人，根据《证券发行上市保荐业务管理办法》《上 市公司募集资金监管规则》《上海证券交易所科创板股票上市规则》《上海证券 交易所科创板上市公司自律监管指引第1号——规范运作》等有关规定，对公司 使用暂时闲置募集资金进行现金管理的事项进行了核查，并发表核查意见如下： 一、投资情况概述 （一）投资目的 为提高募集资金使用效率，在不影响公司募投项目建设实施、募集资金使用 计划和保证募集资金安全的情况下，公司将合理使用闲置募集资金进行现金管理， 本着股东利益最大化的原则，提高募集资金使用效益，为公司和股东获得更多的 回报。 （二）投资金额 在保证不影响公司募集资金投资计划正常进行的前提下，公司拟使用最高不 超过人民币20,000万元（含本数）的暂时闲置募集资金进行现金管理，使用期限 自前次募集资金现金管理的授权到期之日起12个月内有效，即2025年12月27日 ...

重要内容提示： 投资种类：安全性高、流动性好、风险低且符合保本要求的产品（包 括但不限于协定存款、结构性存款、定期存款、大额存单、通知存款等） 投资金额：不超过人民币 20,000 万元（含本数） 已履行及拟履行的审议程序：西安炬光科技股份有限公司（以下简称 "公司"或"炬光科技"）于 2025 年 12 月 17 日召开公司第四届董事会第十九次 会议，审议通过了《关于使用暂时闲置募集资金进行现金管理的议案》，保 荐人中信建投证券股份有限公司对本事项出具了明确的核查意见。本事项无 需提交股东会审议。 特别风险提示：尽管本次现金管理是购买安全性高、流动性好、风险 低且符合保本要求的产品，但金融市场受宏观经济影响较大，公司虽将根据 经济形势以及金融市场的变化适时适量地介入，但不排除该项投资受到市场 波动的影响。 证券代码：688167 证券简称：炬光科技 公告编号：2025-093 西安炬光科技股份有限公司 关于使用暂时闲置募集资金进行现金管理的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 一、投资情况概述 （一）投资目的 ...

Core Viewpoint - The company plans to utilize up to RMB 200 million of temporarily idle raised funds for cash management, ensuring that it does not affect the normal execution of its fundraising investment plans [1] Group 1 - The maximum amount for cash management is set at RMB 200 million, inclusive of the principal [1] - The usage period for these funds is from December 27, 2025, to December 26, 2026, following the expiration of the previous authorization for cash management [1] - The company is allowed to use the funds in a revolving manner within the specified limit and timeframe [1]

Market Overview - The Shanghai Composite Index closed at 3871.44 points, above the five-day moving average, with an increase of 1.22% [1] - The total trading volume of A-shares reached 1822.448 billion yuan [1] Stocks Performance - A total of 988 A-shares have surpassed the five-day moving average today [1] - Notable stocks with significant deviation rates include: - LianTe Technology (301205) with a deviation rate of 13.53% and a daily increase of 20.00% [1] - JuGuang Technology (688167) with a deviation rate of 12.21% and a daily increase of 17.34% [1] - YiDong Electronics (301123) with a deviation rate of 11.85% and a daily increase of 20.01% [1] Additional Stocks with Deviation Rates - Other stocks with notable performance include: - KaiPu Cloud (688228) with a deviation rate of 10.57% and a daily increase of 20.00% [1] - JiaoCheng Ultrasonic (688392) with a deviation rate of 9.80% and a daily increase of 13.54% [1] - KaiWang Technology (301182) with a deviation rate of 9.51% and a daily increase of 15.65% [1]