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 ...

通过天眼查大数据分析，贝耐特光学科技（苏州）有限公司共对外投资了4家企业，知识产权方面有商 标信息8条，专利信息32条，此外企业还拥有行政许可5个。 12月15日，天眼查融资历程显示，贝耐特光学科技（苏州）有限公司近日获得"A++轮"融资，涉及融资 金额数千万人民币，投资机构为安芯投资。 天眼查信息显示，贝耐特光学科技（苏州）有限公司的股东为：肖峰、苏州光芯聚贤信息科技合伙企业 （有限合伙）、北京中移数字新经济产业基金合伙企业（有限合伙）、昆山乐创咨询管理合伙企业（有 限合伙）、浙江汇芯数智创业投资合伙企业（有限合伙）。 资料显示，贝耐特光学科技（苏州）有限公司法定代表人为肖峰，成立于2016年，位于苏州市，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872.0816万人民币，并已于2025 年完成了A++轮，交易金额数千万人民币。 来源：市场资讯 ...

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]

证券研究报告 | 策略点评 策略点评 证券分析师 程强 2025 年 12 月 15 日 相关研究 资格编号：S0120524010005 邮箱：chengqiang＠tebon.com.cn 翟堃 资格编号：s0120523050002 邮箱：zhaikun＠tebon.com.cn 高嘉麒 资格编号：S0120523070003 邮箱：gaojq＠tebon.com.cn 研究助理 [Table_Summary] 投资要点： 摘要。2025 年 12 月 15 日周一，A 股市场缩量调整；国债期货市场全线下跌；商 品指数微跌，贵金属延续强势，工业品反弹。 一、市场行情分析 1）股票市场：市场再度缩量调整 权益缩量调整，工业品反弹 缩量调整，科技指数领跌。今日 A 股三大指数集体调整，市场呈现"权重护盘、科 技领跌"的结构性特征。上证指数低开后震荡回落，收盘跌 0.55%至 3867.92 点； 深证成指跌 1.10%至 13112.09 点，创业板指跌 1.77%，收于 3137.80 点；科创 50 指数调整幅度达 2.22%；红利指数逆势上涨 0.75%，或反映硬科技板块情绪显著 降温，资金向高股息防 ...

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]

12月15日，A股市场整体下跌。 截至收盘，上证指数收报3867.92点，下跌0.55%；深证成指收报13112.09点，下跌1.1%；创业板指收报3137.8点，下跌1.77%。两市合计成交17734.39亿元，较上一 交易日减少3187.67亿元。 1. 两市主力资金净流出超360亿元 今日（ 12月15日 ）沪深两市主力资金开盘净流出151.41亿元，尾盘净流出55.63亿元，两市全天资金净流出360.27亿元。 | | | 沪深两市最近五个交易日主力资金流向情况(亿元) | | | | --- | --- | --- | --- | --- | | 日期 | | 净流入金额 开盘净流入 | 尾盘净流入 | 超大单净买入 | | 2025-12-15 | -360. 27 | -151.41 | -55. 63 | -167.99 | | 2025-12-12 | -89. 34 | -136. 84 | -5.49 | -27.62 | | 2025-12-11 | -563. 42 | -129.88 | -111.03 | -332.77 | | 2025-12-10 | -199.82 | -1 ...

【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 | | | ...

Market Structure - The A-share market has formed a dual-core industrial structure centered on technology growth and midstream manufacturing, driven by macroeconomic cycles, industrial policy guidance, and market funding preferences [6][9][12] - The technology sector has developed into a high-prosperity cluster with significant internal linkage, while the manufacturing sector serves as a market stabilizer, maintaining connections with various fields [10][12] - The TMT sector has shown a clear rotation characteristic with midstream manufacturing since 2021, constituting the core direction for market capital allocation [12][16] Market Sentiment - The three-dimensional sentiment model provides an objective and sensitive monitoring of market sentiment, which is crucial for observing phase changes in the market [23][51] - In 2025, the market sentiment exhibited a dual-cycle pattern, with a small cycle from January 6 to April 14 and a larger cycle from April 15 to October 29, reflecting the complex interplay of policy and external factors [51][52] - The sentiment phases are closely linked to industrial rotation, with TMT industries gaining prominence during positive sentiment periods, while upstream resource industries serve as defensive plays during cautious sentiment [52][53] Policy Frequency Analysis - The "14th Five-Year Plan" and "15th Five-Year Plan" highlight a strategic emphasis on technological innovation and manufacturing, indicating a shift towards self-reliance and security in the industrial framework [56][57] - The frequency of terms related to safety, technology, and energy in the "15th Five-Year Plan" suggests a deepening focus on these areas, reflecting their importance in the context of modernizing China's economy [57]

Core Insights - The average stock price on the STAR Market is 40.75 yuan, with 71 stocks priced over 100 yuan, and the highest priced stock is Cambrian-U at 1331.90 yuan [2][3] - A total of 172 stocks increased in price while 416 stocks decreased, with the average decline for stocks over 100 yuan being 3.16% [2][3] - The premium of stocks over their issue prices averages 498.01%, with notable premiums for companies like Shunwei New Materials and Cambrian-U [2][3] Stock Performance - Cambrian-U closed at 1331.90 yuan, down 0.90%, followed by Moer Thread-U at 764.90 yuan and SourceJet Technology at 633.00 yuan [2][3] - Among the stocks priced over 100 yuan, 10 stocks saw an increase, with the largest gainers being Zhenray Technology, Haooubo, and Jingfeng Mingyuan [2][3] - The sectors with the highest concentration of stocks over 100 yuan include electronics, pharmaceuticals, and computers, with 38, 9, and 8 stocks respectively [2][3] Capital Flow - The net outflow of main funds from stocks over 100 yuan totaled 4.123 billion yuan, with Zhenray Technology, Zhongwei Company, and Anji Technology seeing the highest net inflows [3] - The total margin balance for stocks over 100 yuan is 95.915 billion yuan, with Cambrian-U, Zhongxin International, and Haiguang Information having the highest margin balances [3] Detailed Stock List - A detailed list of stocks over 100 yuan includes Cambrian-U, Moer Thread-U, and SourceJet Technology, with their respective closing prices and percentage changes [4][5]