日前，东北证券研究所TMT组长李玖与计算机首席分析师赵宇阳深夜争执的截图，在业内广泛传播， 两人围绕海光信息（688041，市值4718.41亿元）、国盾量子（688027，市值519.24亿元）等标的的覆盖 权展开交锋。 李玖认为，赵宇阳跨界覆盖了过多电子组的股票，这样既不专业，也会影响其他分析师，要求赵宇阳取 消覆盖一些热门标的。而赵宇阳则不以为然，认为李玖这么做是向他所在的电子组倾斜，作为TMT组 长，他不应该这样没有格局，计算机分析师也有学习其他相关行业的权利。 两人争执不下，从业务边界之争升级到"有你没我，有我没你"的决绝态度，将卖方研究行业长期存在 的"抢标的"问题再次暴露在公众视野中。 为争夺标的覆盖权，两名首席起争执 协会官网信息显示，赵宇阳今年5月加盟东北证券，此前曾任职于西部证券、华西证券等机构。据慧博 智能终端，自今年9月以来，其发布的多篇研报确实覆盖了不少传统计算机领域之外的上市公司，包括 液冷、铜箔、电子布等与电子行业相关的标的，这也成为此次冲突的直接诱因。而李玖作为电子行业首 席及TMT组长，既要维护电子组分析师的利益，又要协调跨领域研究的边界，在资源分配与团队平衡 中陷入两难，最 ...

在杨德龙看来，科技领域成为公募机构调研的重要方向，反映出机构投资者对科技赛道成长潜力的高度 认可。 个股层面，有26只个股12月份以来受到公募机构10次及以上调研。其中，中科曙光和海光信息是月内获 公募机构关注度最高的上市公司，两家公司均被公募机构调研68次，这两只个股分别属于计算机行业和 电子行业。 调研过程中，行业和公司的基本面情况是机构关注的重要内容。例如，随着国内AI（人工智能）算力 需求持续增长，海光信息下游各行业的需求变化特征受到机构特别关注。海光信息对此回应称，随着近 几年AI技术的爆发式突破，AI产业链与商业化应用进入到了高速发展阶段，各大厂商纷纷下场布局， 引发AI浪潮，对加速卡等硬件的需求也与日俱增。据IDC预测，2025年中国加速服务器出货量将同比增 长56.3%，到2029年中国加速服务器市场规模将超过千亿美元，市场需求旺盛。 业内人士也看好科技领域的投资机会，长城基金高级宏观策略研究员汪立在接受《证券日报》记者采访 时表示："当下或是布局春季行情的重要窗口。春节前具备产业趋势的大盘成长风格有望占优。" 12月份以来，无论是公募头部机构还是中小机构，均显著加强了针对A股公司的调研。其中 ...

本文来自微信公众号：每日经济新闻，编辑：许绍航肖芮冬杜恒峰，作者：每经记者 日前，东北证券研究所TMT组长李玖与计算机首席分析师赵宇阳深夜争执的截图，在业内广泛传播，两人围绕 海光信息（688041，市值4718.41亿元） 、 国盾量子（688027，市值519.24亿元）等标的的覆盖权展开交锋。 李玖认为，赵宇阳跨界覆盖了过多电子组的股票，这样既不专业，也会影响其他分析师，要求赵宇阳取消覆盖一些热门标的。而赵宇阳则不以为然，认为 李玖这么做是向他所在的电子组倾斜，作为TMT组长，他不应该这样没有格局，计算机分析师也有学习其他相关行业的权利。 两人争执不下，从业务边界之争升级到"有你没我，有我没你"的决绝态度，将卖方研究行业长期存在的"抢标的"问题再次暴露在公众视野中。 为争夺标的覆盖权，两名首席起争执 这场冲突的导火索源于赵宇阳近期的研报覆盖范围。根据相关微信截图，李玖要求赵宇阳取消对 海光信息 的覆盖，声称该标的应由电子组负责，同时指 出赵宇阳跨界覆盖了GPU、PCB、液冷、铜箔、散热、光学等多个本属电子组的领域。 "已经影响到电子组下面小分析师的蛋糕。"作为TMT组长，李玖认为赵宇阳的"无边界"覆盖导 ...

Group 1 - Core viewpoint: Benait Optical Technology (Suzhou) Co., Ltd. recently completed an "A++ round" financing, raising several tens of millions of RMB, with the investment firm being Anxin Investment [1] - Company overview: Established in 2016 and located in Suzhou, the company primarily engages in the manufacturing of computers, communications, and other electronic devices, with a registered capital of 8.720816 million RMB [1] - Financing details: The A++ round financing was completed in 2025, involving a transaction amount of several tens of millions of RMB [1] Group 2 - Investment activity: Benait Optical Technology has invested in 4 external companies and holds 8 trademark registrations and 32 patents, along with 5 administrative licenses [1] - Shareholder information: The shareholders include Xiao Feng, Suzhou Guangxin Juxian Information Technology Partnership, Beijing Zhongyi Digital New Economy Industry Fund Partnership, Kunshan Lechuang Consulting Management Partnership, and Zhejiang Huixin Shuzhi Venture Capital Partnership [1]

Market Overview - On December 15, the Shanghai Composite Index fell by 0.55%, the CSI 300 decreased by 0.63%, the STAR 50 dropped by 2.22%, the CSI 1000 declined by 0.84%, the ChiNext Index fell by 1.77%, and the Hang Seng Index decreased by 1.34% [4] - The best-performing sectors on December 15 were non-bank financials (+1.59%), retail (+1.49%), agriculture, forestry, animal husbandry, and fishery (+1.24%), steel (+0.91%), and building materials (+0.91%). The worst-performing sectors included electronics (-2.42%), telecommunications (-1.89%), media (-1.63%), machinery and equipment (-1.36%), and computers (-1.27%) [4] - The total trading volume for the entire A-share market on December 15 was 1.7944 trillion yuan, with a net inflow of 3.654 billion Hong Kong dollars from southbound funds [4] Important Insights Bond Market Research - The report emphasizes the importance of the People's Bank of China's (PBOC) communication regarding the central economic work conference, which reflects the central bank's specific thoughts on monetary policy for 2026 [5] - The market is focused on changes in the description of monetary policy from the central economic work conference [5] - The report indicates a more gradual approach to easing monetary policy [5] Strategy Report - The report systematically reviews the calendar effects in the A-share market from 2010 to 2025, analyzing excess returns of major indices around key dates [6] - It highlights that the overall market tends to experience a spring rally at the beginning of the year, cautious trading mid-year, and a warm winter close at year-end [6] - The report identifies that Q4 has the highest win rate and return for the Wande All A Index, with a win rate of 66.7% and a median return of 2.9% [7] Industry Insights Machinery Equipment Sector - The report notes that the demand for satellite applications is expected to surge, with a potential breakthrough in rocket supply [8] - It highlights that China's satellite constellation construction is significantly lagging, entering a peak launch period [8] - Investment opportunities are identified in the rocket sector, driven by explosive demand and a shift towards high-frequency, low-cost commercial operations [8]

Market Analysis - The A-share market experienced a volume contraction with the technology index leading the decline, as the Shanghai Composite Index fell by 0.55% to 3867.92 points, the Shenzhen Component Index dropped by 1.10% to 13112.09 points, and the ChiNext Index decreased by 1.77% to 3137.80 points, indicating a shift in market sentiment towards defensive sectors [2][5] - The total market turnover was 1.79 trillion, a decrease of 15.3% from the previous trading day, reflecting a growing cautious sentiment among investors [2][5] Sector Performance - Consumer and financial sectors showed strength, with the dairy index surging by 4.41% following a national medical insurance meeting that raised expectations for increased demand for infant formula [5] - The insurance sector also performed well, with the Insurance Select Index rising by 3.09%, driven by a reduction in risk factors for insurance capital and a shift towards defensive market styles [5] - In contrast, the technology sector faced significant declines, with indices for electronics, communications, computers, media, and machinery dropping between 1.35% and 2.40%, reflecting concerns over a potential saturation in AI computing demand [5] Bond Market - The government bond futures market continued to adjust, with the 30-year contract hitting a new low for the year, closing down 0.99% at 111.53 [10] - The central bank maintained a loose liquidity environment, conducting a net injection of 86 billion through reverse repos, indicating a "short-term tight, long-term loose" operational strategy [10] Commodity Market - Precious metals continued to show strength, with gold futures rising by 1.92% to 983.16 yuan per gram, supported by expectations of further monetary easing following a 25 basis point rate cut by the Federal Reserve [10] - Industrial commodities rebounded, with significant increases in aluminum oxide and coking coal prices, suggesting a potential recovery in sectors previously affected by "involution" competition [10][12] Investment Strategy - The report suggests maintaining a balanced allocation in technology and consumer sectors, as the central economic work conference emphasizes the importance of AI and domestic demand expansion [7][15] - The focus on "anti-involution" policies may provide opportunities in industrial commodities, with a recommendation to monitor the implementation of related policies [10][15] Trading Hotspots - Key investment themes include high dividend stocks, commercial aerospace, nuclear fusion, AI applications, and consumer sectors, with a focus on their respective market dynamics and potential growth drivers [13][15]

证券研究报告 | 2025年12月15日 金融工程日报 A 股缩量下挫，算力产业链回调、大消费走强 市场表现：20251215 大部分指数处于下跌状态，规模指数中中证 2000 指数 表现较好，板块指数中上证综指表现较好，风格指数中沪深 300 价值指数表 现较好。商贸零售、非银、农林牧渔、国防军工、钢铁行业表现较好，电子、 通信、计算机、传媒、机械行业表现较差。乳业、保险精选、聚碳酸酯、黄 金精选、聚酰亚胺等概念表现较好，光模块(CPO)、光通信、培育钻石、ASIC 芯片、光芯片等概念表现较差。 市场情绪：20251215 收盘时有 64 只股票涨停，有 27 只股票跌停。昨日涨停 股票今日收盘收益为 1.56%，昨日跌停股票今日收盘收益为-3.24%。今日封 板率 65%，较前日下降 18%，连板率 20%，较前日下降 19%。 《金融工程日报-沪指探底回升，封板率创近一个月新高》 —— 市场资金流向：截至 20251212 两融余额为 25014 亿元，其中融资余额 24837 亿元，融券余额 177 亿元。两融余额占流通市值比重为 2.6%，两融交易占市 场成交额比重为 9.2%。 折溢价：20251 ...

Group 1 - The report highlights the limitations of traditional multi-factor models, which face inherent path dependency and structural mismatches, leading to a dilution of returns and an inability to capture high elasticity styles [2][25][26] - The report proposes a dual-driven solution based on XGBoost non-linear prediction and high elasticity alpha extraction, achieving an annualized excess return of 20.0% across ten market segments with an information ratio of 3.78 [3][4] - The integration of high elasticity strategies significantly enhances the performance of traditional index-enhanced models, with annualized excess returns improving by 2.1% to 4.7% compared to single strategies [4][12][19] Group 2 - The report discusses the challenges faced by traditional multi-factor models, particularly their reliance on historical data and the inability to adapt to changing market structures, which can lead to systematic failures during specific market conditions [21][22][25] - It emphasizes the non-normal distribution of returns in the market, where excess returns are often concentrated in a few stocks, contradicting the diversification philosophy of traditional models [26][28][29] - The analysis reveals that the performance of quantitative strategies is closely tied to specific style factors, indicating a path dependency that can hinder adaptability in dynamic market environments [32][34][37]

Market Overview - On December 15, the A-share market experienced an overall decline, with the Shanghai Composite Index closing at 3867.92 points, down 0.55%, the Shenzhen Component Index at 13112.09 points, down 1.1%, and the ChiNext Index at 3137.8 points, down 1.77% [1] - The total trading volume of both markets was 17734.39 billion yuan, a decrease of 3187.67 billion yuan compared to the previous trading day [1] Capital Flow - The net outflow of main funds from the Shanghai and Shenzhen markets exceeded 36 billion yuan, with an opening net outflow of 15.14 billion yuan and a closing net outflow of 5.56 billion yuan, totaling 36.03 billion yuan for the day [2] - The CSI 300 index saw a net outflow of 13.64 billion yuan, while the ChiNext index had a net outflow of 15.60 billion yuan [2][4] Sector Performance - Non-bank financials and other sectors achieved net inflows, with non-bank financials seeing a net inflow of 5.62 billion yuan, while the basic chemical sector had a net inflow of 2.15 billion yuan [5][6] - The electronic sector experienced the largest net outflow, totaling 23.61 billion yuan, followed by the power equipment sector with a net outflow of 11.76 billion yuan [6] Individual Stock Activity - The top stocks with net inflows included LeiKe Defense with a 10.03% increase and a net institutional buy of 151.49 million yuan, and Zhongzhou Special Materials with a net buy of 122.64 million yuan despite a 4.92% decline [9] - Conversely, stocks like Yipin Hong and Anfu Technology saw significant net outflows, with net sells of 70.67 million yuan and 76.49 million yuan respectively [9] Institutional Focus - Institutions are currently focusing on stocks such as Zoli Pharmaceutical, rated as a "Buy" with a target price of 23.12 yuan, indicating a potential upside of 34.58% from the latest closing price [11] - Other stocks of interest include Enjie Technology and CITIC Securities, both rated as "Buy" with significant upside potential [11]

【导读】券商首席争夺海光信息"覆盖权"，研究边界引发热议 中国基金报记者 晨曦 又见券商首席工作群"互怼"！ 近期，一份东北证券TMT大群的聊天记录截图走红，在金融圈内广受关注。对话的双方当事 人为东北证券电子首席李玖与计算机首席赵宇阳，因研究覆盖边界重叠，双方对"海光信 息""国盾量子"等热门个股展开"争夺战"。 券商首席开启"争夺战" 事件起于海光信息的覆盖问题。相关聊天记录显示，李玖发消息要求将海光覆盖从计算机组 转回电子组，"海光取消一下覆盖，我来看""这个我要了""你不能看"。他还提出，"国盾量子 也取消覆盖""我周末发深度"，同时通知TMT团队全体开会讨论计算机跨边界的问题。 | 李玖@东北电子 | 12-13 21:56:44 | | --- | --- | | @赵宇阳@东北计算机&AI @冠 | | | 海光取消一下覆盖，我来看 | | | 李玖@东北电子 | 12-13 21:56:53 | | 这个我要了 | | | 李玖@东北电子 | 12-13 21:57:00 | | 你不能看 | | | 李玖@东北电子 | 12-13 21:58:42 | | 国盾量子也去找一下覆盖 | | | ...