策 略 研 究 太 平 2025 年 12 月 30 日 投资策略 策略日报（2025.12.30）：接力 相关研究报告 洋 证 券 股 份 有 限 公 司 证 券 研 究 报 告 势>>--2025-12-29 响起>>--2025-12-26 <<策略日报（2025.12.25）：圣诞甜 点>>--2025-12-25 幕>>--2025-12-24 年行情>>--2025-12-23 角>>--2025-12-22 电话： E-MAIL：zhangdd@tpyzq.com 分析师登记编号：S1190522040001 证券分析师：徐梓铭 电话： E-MAIL：xuzm@tpyzq.com 分析师登记编号：S1190525050001 大类资产跟踪 << 策 略 日 报 （ 2025.12.29 ） ： 蓄 <<策略日报（2025.12.26）：当音乐 债市：利率债长端小幅上涨，整体弱势不改。股市和商品市场趋势走 强明显，债市破位下跌的可能性在加大，空单在控制风险的背景下已经可 以重新开始进行配置。我们维持此前的观点：大方向债市下跌未结束，长 期目标位：三十年期国债长期的目标位在去年 9 月份政策转向的低 ...

Group 1: Market Overview - The main market saw a net outflow of 238.28 billion yuan, with the ChiNext board experiencing a net outflow of 78.57 billion yuan, while the CSI 300 index saw a net inflow of 3.75 billion yuan [2] - Among the 14 primary industries, 11 experienced net inflows, with the machinery, automotive, and media sectors leading with inflows exceeding 20 billion yuan each [2] - The petroleum and petrochemical sector had the highest increase at 2.63%, while the retail sector saw the largest decline at 1.56% [2] Group 2: Individual Stocks - Two robotics concept stocks, Sanhua Intelligent Control and Shanzhi High-Tech, saw net inflows exceeding 15 billion yuan each, leading the market [3] - New stocks N Qiang Yi and N Shuang Xin had net inflows of 9.68 billion yuan and 7.6 billion yuan respectively, with both stocks closing with gains over 160% on their first trading day [5] - A total of 96 stocks had net inflows exceeding 1 billion yuan, with 17 stocks seeing inflows over 3 billion yuan [3] Group 3: Sector Performance - The electricity equipment sector had the highest net outflow, amounting to 72.62 billion yuan, followed by the defense and military industry and non-ferrous metals, each with outflows exceeding 50 billion yuan [2] - The textile and apparel, banking, light industry manufacturing, and public utilities sectors also saw net inflows exceeding 1 billion yuan [2] - A total of 20 sectors experienced net outflows, with five popular stocks seeing outflows exceeding 10 billion yuan each, including Jin Feng Technology and Aerospace Development [7]

Group 1: Market Overview - On December 30, the main funds in the Shanghai and Shenzhen markets experienced a net outflow of 23.83 billion yuan, with the ChiNext board seeing a net outflow of 7.86 billion yuan, while the CSI 300 index had a net inflow of 0.375 billion yuan [1] - Among the 14 first-level industries, 11 saw net inflows of main funds, with the machinery equipment, automotive, and media sectors leading with inflows exceeding 2 billion yuan each [1] - The petroleum and petrochemical sector had the highest increase at 2.63%, while the commercial retail sector saw the largest decline at 1.56% [1] Group 2: Individual Stocks - Two robotics concept stocks, Sanhua Intelligent Control and Shanzhi High-Tech, had net inflows exceeding 1.5 billion yuan, ranking among the top [2] - New stocks N Qiang Yi and N Shuang Xin saw net inflows of 0.968 billion yuan and 0.76 billion yuan respectively, with both stocks closing with gains exceeding 160% on their first trading day [4] - The top three stocks with the highest net inflows included Sanhua Intelligent Control with 2.8 billion yuan, Shanzhi High-Tech with 1.535 billion yuan, and N Qiang Yi with 0.968 billion yuan [5] Group 3: Fund Outflows - Over 120 stocks experienced net outflows exceeding 1 billion yuan, with five stocks seeing outflows over 1 billion yuan, including Jin Feng Technology and Aerospace Development [6] - Jin Feng Technology had the highest net outflow at 2.938 billion yuan, followed by Aerospace Development with 2.283 billion yuan [7] - The commercial aerospace concept stock Shen Jian Co. saw a limit down, with significant net selling from notable trading desks [6] Group 4: Tail-End Trading - At the end of the trading day, the main funds had a net outflow of 4.017 billion yuan, with the ChiNext board experiencing a net outflow of 0.887 billion yuan [8] - Three stocks, including Sanhua Intelligent Control and N Qiang Yi, had net inflows exceeding 1.4 billion yuan at the tail end of trading [8] - Jin Feng Technology led the net outflows at the end of the day with 3.158 billion yuan, followed by Aerospace Development and Pingtan Development [10]

龙虎榜方面，机器人概念持续爆发，人气股三花智控午后涨停，深股通买入3.19亿，一家量化资金（开源证券西安西大街）买入2.42亿，两家实力游资（国 泰海通证券宁波广福街、国泰海通证券宜昌沿江大道）分别买入3.18亿、2.01亿。商业航天概念今日整体冲高回落，多只成分股获机构买入，其中4连板的泰 尔股份获三家机构买入1.52亿；航天发展获三家机构买入3.75亿；隆基机械获四家机构买入7712万；广联航空获三家机构买入1.23亿。 一、沪深股通前十大成交 从沪股通前十大成交个股来看，寒武纪位居首位；紫金矿业和工业富联分居二、三位。 从深股通前十大成交个股来看，中际旭创位居首位；新易盛和阳光电源分居二、三位。 二、板块个股主力大单资金 从板块表现来看，机器人、影视院线等板块涨幅居前，海南、零售等板块跌幅居前。 | | | 星矿板块主力资金监控：今日买入前五榜（2025年12月30日） | | | --- | --- | --- | --- | | 排名 | 板块名称 | 主力资金净流入(亿元) | 主力资金净流入率(%) | | 1 | 交运设备 | 38.03 | 3.18 | | 2 | 机械设备 | 29.99 ...

智通财经APP讯， 大业股份(603278.SH)发布公告，公司关注到近期市场上公司涉及商业航天概念，经 核查，公司持有湖北三江航天江北机械工程有限公司4.216%的股权，该公司主要从事航天动力系统、 天线罩等航天产品研发生产，目前净利润规模较小。公司上述投资属于财务性投资，由于公司股权占比 较小，股息、红利等收益较少，对公司业绩影响甚微。 除前述事项外，公司未发现存在其他对公司股票交易价格可能产生重大影响的媒体报道、市场传闻或热 点概念。 公司关注到近期市场上公司还涉及"人形机器人概念股"相关内容。公司现有主营业务仍以胎圈钢丝、钢 帘线以及胶管钢丝的研发、生产和销售为主，公司机器人腱绳产品目前尚未批量生产，未产生实质性收 益，且公司相关业务未来在技术研发、产品竞争能力、盈利能力等方面存在重大不确定性。 ...

Core Viewpoint - The company has acknowledged its involvement in the commercial aerospace sector and humanoid robotics concept, but its main business remains focused on tire cord steel wire, steel cord, and rubber hose steel wire production, with limited impact from these new ventures [1] Group 1: Aerospace Investment - The company holds a 4.216% stake in Hubei Sanjiang Aerospace Jiangbei Mechanical Engineering Co., which specializes in aerospace power systems and antenna covers, but currently has a small net profit scale [1] - The investment in the aerospace sector is classified as a financial investment, resulting in minimal impact on the company's overall performance due to the small equity stake [1] Group 2: Robotics Development - The company has been noted in the market for its involvement in humanoid robotics, but its existing business primarily focuses on tire cord steel wire, steel cord, and rubber hose steel wire [1] - The company's robotic tendon products have not yet entered mass production and have not generated substantial revenue, indicating significant uncertainty in technology development, product competitiveness, and profitability in this area [1]

Core Viewpoint - The company Daya Co., Ltd. (603278) has recently experienced unusual stock trading activity, attributed to its involvement in the commercial aerospace sector and humanoid robot concepts, although its main business remains focused on tire cord steel wire and related products [1] Group 1: Aerospace Investment - The company holds a 4.216% stake in Hubei Sanjiang Aerospace Jiangbei Mechanical Engineering Co., Ltd., which specializes in aerospace power systems and antenna covers, but currently has a small net profit scale [1] - The investment in the aerospace sector is classified as a financial investment, contributing minimally to the company's overall performance due to the small equity stake and limited dividend income [1] Group 2: Robotics Business - The company has been associated with humanoid robot concepts, but its existing robot tendon products have not yet entered mass production and have not generated substantial revenue [1] - There are significant uncertainties regarding the company's future capabilities in technology development, product competitiveness, and profitability in the robotics sector [1] Group 3: Main Business Focus - The company's primary operations continue to revolve around the research, production, and sales of tire cord steel wire, steel cord, and rubber hose steel wire [1]

Core Viewpoint - The stock of Shandong Daye Co., Ltd. experienced significant price fluctuations, with a cumulative increase of 39.97% from December 24 to December 29, 2025, raising concerns about potential market risks and high valuation compared to industry averages [2][4]. Group 1: Stock Performance and Market Risks - The stock price of the company showed an abnormal fluctuation, with a cumulative increase exceeding 20% over three consecutive trading days [2]. - On December 29, 2025, the stock closed at the daily limit price, indicating a strong market reaction [4]. - The company’s stock price increase raises concerns about potential subsequent declines due to overheated market sentiment and irrational speculation [4]. Group 2: Financial Metrics and Valuation Risks - The company’s price-to-book ratio is 2.40, which is higher than the industry average of 2.18 for the "C Manufacturing 33 Metal Products" sector [2][4]. - The company has faced challenges with low gross margins, reporting a gross margin of 1.76% in 2022, 8.31% in 2023, and a projected 2.90% in 2024, indicating limited profitability [3][6]. Group 3: Business Operations and Market Position - The company’s operational activities are currently normal, with no significant changes in market environment or industry policies [3]. - The company holds a 4.216% stake in Hubei Sanjiang Aerospace Jiangbei Mechanical Engineering Co., Ltd., which is involved in aerospace product development, but this investment has minimal impact on overall performance [5]. - The company is also associated with the humanoid robot concept, but its current main business remains focused on the production and sales of tire wire, with no substantial revenue from robotics yet [5].

Market Overview - The A-share market experienced a strong upward trend, with the Shanghai Composite Index closing with a 10-day winning streak, while the Shenzhen Component Index and the ChiNext Index rose by 0.49% and 0.63% respectively [1] - The total trading volume in the Shanghai and Shenzhen markets exceeded 2 trillion yuan for the third consecutive trading day, increasing by 3.8 billion yuan compared to the previous trading day [2] Sector Performance - The robotics sector saw significant gains, with multiple stocks hitting the daily limit, including Fenglong Co. with five consecutive limit-ups and Tianqi Co. with four consecutive limit-ups [3] - The AI glasses concept also showed strong performance, with stocks like New Xiang Micro rising nearly 10% and Yingpais rising over 7% [3] - AI-related stocks collectively surged, with over ten stocks in the AI, AI agents, and AIGC sectors hitting the daily limit, including Kute Intelligent and Baijia Qiancheng [3] Hong Kong Market - The Hong Kong stock market also showed strength, with the Hang Seng Index rising over 1% and the Hang Seng Tech Index increasing by more than 2% [5] International Markets - The Japanese and South Korean stock markets closed early due to the New Year's holiday, with the Nikkei 225 Index down 0.37% but showing a strong annual performance, gaining over 10,000 points and up 26.18% for the year [7]

市场概况 2739 1215 540 330 152 149 122 66 99 44 46 33 19 小于 大于 +8% 涨停 +8% +6% 0% -2% -4% -6% -8% +4% +2% 跌停 -8% 上涨 1840家 持平 149家 下跌 3480家 跌停 涨停 66家 停牌 12家 19家 两市成交额:2.14万亿 市场热度: 31 0 较上一日:+32.8亿 今日预测量能: 0 100 50 2.14万亿 | +32.8亿 今日A股市场午后震荡上扬， 沪指收出十连阳，深成指、创业板指盘中均涨超0.5% 。沪深两市成交额2.14万亿，较上一个交易日放量32亿。 盘面上，市场热点快速轮动，全市场超3400只个股下跌。从板块来看， 机器人概念持续爆发 ，十余只成分股涨停，锋龙股份5连板，天奇股份4连 板，五洲新春、万向钱潮、浙江荣泰涨停。 AI应用端表现活跃 ，酷特智能20cm涨停。商业航天概念整体冲高回落，大业股份5连板，而神剑股份跌 停，鲁信创投炸板飘绿。 下跌方面，海南、零售等板块跌幅居前。其中海南自贸概念集体走弱，海南发展大跌。 截至收盘，沪指跌0.00%，深成指涨0.49%，创业板指涨 ...