A股今日大幅回落，沪指跌逾1%失守3400点，创业板指、科创50指数等跌超2%；港股亦下挫，恒生指数跌近2%失守24000点，恒生科技指数跌超3%。个股方 面，零跑汽车跌超9%，蔚来跌8.8%，小鹏汽车跌逾6%，理想汽车跌近5%。 具体来看，两市股指盘中震荡下探，午后加速下行，创业板指、科创50指数跌超2%，北证50指数跌超4%。截至收盘，沪指跌1.29%报3364.83点，深证成指跌1.76% 报10687.55点，创业板指跌2.17%报2152.28点，科创50指数跌2.06%，北证50指数跌4.17%，沪深北三市合计成交15802亿元，较昨日增加逾1000亿元。 场内近4300股飘绿，金融、地产、酿酒等板块疲弱，汽车产业链股大幅下挫，泰德股份跌超16%，襄阳轴承跌停，比亚迪跌7%，长城汽车跌超4%；半导体板块走 低，创耀科技、翱捷科技跌超10%；海洋经济概念逆市爆发，海默科技、邵阳液压等涨停，巨力索具、神开股份盘中双双斩获7连板，大连重工连续3日涨停。值得 注意的是，今日上市的新亚电缆大涨超300%，盘中一度飙升400%最高至37元/股。 汽车产业链股下挫 汽车产业链股今日大幅下挫，截至收盘，泰德股份跌 ...

随着机器人、AI、固态电池等多个热门题材退潮，两市股指今日早盘呈现震荡调整走势，盘中突然跳水，上证指数跌破3400点，截至中午收盘，上证指数跌 0.94%，深证成指跌1.42%，创业板指跌1.70%，科创50指数跌2.02%。 海洋经济赛道全线大涨。 港股亦走弱，截至发稿，恒生指数跌超2%，恒生科技指数跌超3%。个股方面，蔚来、比亚迪等新能源汽车股跌幅明显，中芯国际、华虹半导体、上海复旦等 芯片股多数下跌。 海洋经济赛道延续强势 分时 五日 日K 周K 月K 更多。 [0] 850.28 7.01% 831.71 4.68% 2.34% 0.00% 794.56 775.99 -2.34% 757.41 -4.68% 738.84 -7.01% 11:30/13:00 09:30 15:00 | 海工装备(02003601) | | | --- | --- | | 午间休市 03-21 11:30:23 | | | 2563.54 | | | +120.25 +4.92% | | | 今 开 2454.25 最 高 2601.90 成交量3975.62万手 | | | PE 收 2443.29 最低 | 24 ...

今日，A股市场延续缩量震荡整理结构，三大指数均收跌。沪指考验3 4 0 0点支撑，深证成 指、创业板指跌约1%，港股大幅下挫，恒生指数跌逾2%，恒生科技指数跌超3%。场内 超3 200股飘绿，保险、券商、酿酒等权重板块回落，新华保险跌近5%。 消息面上，国家层面， 2 0 2 5 年政府工作报告明确把深海科技与商业航天、低空经济并 列，强调推动这些新兴产业安全健康发展 ，这充分凸显了深海科技在国家战略中的重要 地位，预示着后续将有更多政策、资金等资源倾斜，助力产业腾飞。 值得注意的是， 前期的高位股阳光乳业、万马股份、美力科技等尾盘纷纷"炸板"跳水。 从盘面来看，市场热点快速轮动，个股跌多涨少，全市场超3 2 0 0只个股下跌。新热点深 海科技概念再迎爆发，板块中10余股涨停。船舶制造、风电设备、海工装备、海洋经济、 可燃冰等板块涨幅居前。 0 1国家战略下的新蓝海 深海科技再度全线爆发，神开股份、大连重工、巨力索具、海默科技、亚星锚链、佛山照 明、中水渔业等个股涨停。 值得注意的是， 相比低空经济 "三年破万亿" 的短期爆发， 深海科技更强调 "十年磨一 剑" 的长期布局。 低空强调勇敢的去试错，深海科技， ...

板块方面 ， 深海科技 、 军工 、 煤炭 、 风电等板块涨幅居前 ， 数据中心电源 、 游戏 、 白酒 、 消费电子等板块跌幅居前 。 值得关注的是新股N江南盘中涨超700%，实现一天7倍，创年内新股首日最大涨幅。 01 长按即可免费加入哦 市场全天震荡调整 ， 创业板指领跌 。 截至收盘 ， 沪指跌0.51% ， 深成指跌0.91% ， 创业板指跌1% 。 沪深两市全天成交额1.44万亿 ， 较上个交易日缩量249亿 。 个股跌多涨少 ， 全市场超3200只个股下跌 。 | | | なく | 74.43 | 2 | | --- | --- | --- | --- | --- | | | | 买5 | 74.41 | ന | | | | | 明细 ▲ | | | -64.50 | | -711.95%14:56 | 74.30 | 34 | | 成交额 18.09亿 2.58亿 | | 14:56 | 74.00 | 121 | | | | 14:56 2 | 74.01 | 75 | | | | 14:56 | 74.30 | 21 | | | | 15:00 | 74.50 | 2099 | | | | ...

Group 1: Port Industry Insights - The port industry valuation has increased due to sentiment catalysts and re-evaluation factors, particularly after the sale of terminal assets by Cheung Kong, which achieved an EV/EBITDA of 11 times, while the industry average is between 6-8 times, indicating significant re-evaluation potential [1] - Xiamen Port Development, as the only listed platform under Fujian Port Group, leverages the strategic location of Xiamen Port (the 14th largest container port globally) to establish three core businesses: bulk cargo terminals, port logistics, and port services [1] - The company plans to expand into the container terminal sector through a major asset restructuring by 2025, enhancing its position as a comprehensive modern port logistics service provider [1] - With the gradual recovery of global trade and the ongoing Belt and Road Initiative, Xiamen Port's container throughput and domestic logistics demand are expected to continue growing [1] - Xiamen Port Development is well-positioned for long-term growth due to strong port resources, policy support, and market competitiveness, especially in the context of the overall re-evaluation of the port industry [1] - Investors are encouraged to pay attention to companies like COSCO Shipping Ports and China Merchants Port, particularly COSCO Shipping Ports, which benefits from being part of the world's largest container shipping alliance [1] Group 2: AI and Data Center Infrastructure - The demand for data center infrastructure (AIDC) is entering a new cycle as global internet giants, particularly Alibaba, ByteDance, and Tencent, increase their investments in AI capabilities [4] - North America's four major cloud service providers are expected to exceed $315 billion in capital expenditures by 2025, driven by AI-related demand, leading to significant expansion in the data center industry [4] - The demand for key IT power supplies in data centers is projected to double from 49 GW in 2023 to 96 GW by 2026, with 90% of this growth attributed to AI-related needs [4] - The global market for temperature control in data centers is expected to grow from approximately $7.7 billion in 2023 to $17.8 billion by 2028, with a CAGR of about 18.4% [4] - Liquid cooling technology is becoming increasingly important in data centers, with its market share expected to rise to 33% due to the trend of increasing server cabinet power [4] - Domestic brands are likely to replace foreign brands in the backup power supply segment within data centers, especially under tight supply-demand conditions [4] Group 3: Emerging Technologies and Market Trends - Deep-sea technology has been officially included in the national future industry development priorities in the 2025 government work report, indicating the rise of this emerging industry and gaining national policy support [10] - The deep-sea technology sector has significant industrial potential, aligning with national strategic needs and offering broad market prospects, potentially becoming a new growth area for the economy [10] - The industry requires the integration of various technologies, including oceanography, artificial intelligence, and bioengineering, to advance technologies such as bionic robots and deep-sea sensors [10] - The marine economy is expected to grow robustly, with China's marine economy projected to exceed 10 trillion yuan in total by 2024 [10] - AI technology can enhance sustainable development by using intelligent sensor networks and big data analysis to assess fishery resources and formulate protection strategies [10]

受央视"3·15"晚会曝光影响，A股多家涉事个股遭遇杀跌。 百亚股份盘中跌停，收跌9.36%，稳健 医疗跌近6.12%、浪莎股份跌超1%、九鼎投资跌超3%。 2025年央视"3·15"晚会曝光卫生巾、纸尿裤残次料被翻新"二次销售"乱象，其中提及百亚股份旗 下品牌自由点和好之。深交所对此高度关注，3月16日早间向百亚股份下发了关注函。 3月15日晚间，百亚股份旗下卫生巾品牌自由点发布声明称，坚决打击非法回收、翻新、销售残次 品以及制假售假违法行为，针对此次"3·15"晚会提及的梁山希希纸制品有限公司违法回收自由点 残次料翻新售假行为，已成立专项调查组进行全面调查并将在第一时间向公安机关报案。 长按即可免费加入哦 A股三大指数今日窄幅震荡，截至收盘，沪指涨0.19%，深成指跌0.19%，创业板指跌0.52%。全 市场成交额16209亿元，较上日缩量2200亿元，全市场超3100只个股上涨。 今年以来，中国股市持续回暖，走出了较为独立的行情，而海外市场则出现了明显的波动。在近 期发布的研报中，摩根士丹利上调了中国股票市场评级，认为中国股票市场迎来了结构性机制转 变，并有望持续改善，"我们认为，现在是建议全球投资人增 ...

Investment Rating - The industry investment rating is "Outperform the Market" [1] Core Insights - The concept of "Deep Sea Technology" has been included in the government work report for the first time, indicating significant growth opportunities for the underwater equipment industry [4][10] - The government aims to promote the large-scale application of new technologies and products in emerging industries, including deep sea technology, commercial aerospace, and low-altitude economy [4][10] - The underwater combat capabilities are considered an important component of new domain combat power, with technologies such as underwater acoustic detection and communication, and UUV technology expected to play a crucial role [11] Summary by Sections Industry Overview - The closing index for the defense and military industry is 1555.26, with a 52-week high of 1712.48 and a low of 1113.62 [1] Investment Recommendations - Two main investment themes are suggested: 1) Aerospace and "gap-filling" new focuses, including companies like Feilihua, Fenghuo Electronics, and AVIC Shenyang Aircraft [12][13] 2) New technologies, products, and markets with greater elasticity, including companies like Aerospace Zhizao, Guorui Technology, and Guangdong Hongda [12][13] Market Performance - The military industry index increased by 2.57% this week, ranking 9th among 31 first-level industries [14] - The top ten performing stocks in the military sector this week include Zhongke Haixun (+62.42%) and Hongyuan Electronics (+23.80%) [16] Valuation Levels - As of March 14, 2025, the military industry index stands at 11204.55, with a PE-TTM valuation of 78.84 and a PB valuation of 3.55, both at historical mid-levels [19] Key Data Tracking - The report tracks various aspects, including private placements and stock incentive data for military companies [22][25] - The report highlights significant growth in the low-altitude economy and military trade markets, with the U.S. maintaining a dominant position in global arms exports [28][30]

根据21世纪经济报道，部分商业银行近期卖出OCI账户和AC账户中部分债券，从而兑现浮盈、弥补浮亏。银行"以丰 补歉"并不罕见，但在当前波动较大的债市环境下，银行的操作对市场的影响很可能会进一步放大。但从目前的情况 来看，银行卖券行为尚不至于触发机构踩踏，且短端后续面临进一步调整的压力和长端相比会更小。 机械｜BC设备兼具能见度与弹性，已处在左侧窗口 BC是目前最具能见度的扩产方向，我们统计2024-2027年头部厂商拟新增BC 产能40-65GW/年，而存量780GW的 TOPCon改造将带来更大增量。BC带来显著设备弹性，主要为2-3道激光、1道镀膜。激光设备中，激光器向短波长、 窄脉宽升级，价值量大幅提升，格局优化；镀膜设备中，LPCVD用量翻倍。 风险因素：BC技术进步不及预期；电池片产能升级意愿下降；BC项目落地不及预期；市场竞争格局恶化；其他新兴 技术替代。 明明｜中信证券首席经济学家 S1010517100001 债市启明｜如何看待商业银行卖券兑现浮盈？ 刘海博｜中信证券制造产业首席分析师 S1010512080011 风险因素：基本面数据大幅超预期；资金面超预期收紧；央行流动性投放支持不及预期； ...

A股复盘 | 人心散了，队伍不好带啊 标题是我替债市问的，哈哈哈 自从去年政治局会议提出货币政策回归适度宽松后，YM就一直强调择机降准降息。 今天又召开会议学习两会精神，再次提出择机降准降息。但是外围好像上半年不会降息哎。 择机到底是什么时候啊？ 今天A股这个盘啊，相当弱势，这不是之前那种弱，之前是大家看到低开非常兴奋，心想又可 以抄底了，又有机会了，一会就拉起来了。 现在部分资金已经跑路，大家都在观望，什么机器人啊、算力啊、AI应用啊早就炒得"滚瓜烂 熟"了，根本找不到新方向啊，资金只能观望， 盘中根本来不起来。 尾盘又出来个海洋经济，原来是 "深海科技首次被明确写入国家层面的政府工作报告，标志着 我 国深海探索正式上升为国家战略重点。" 总算找着一个口了！ 早上看到涨得好 的 是 "三桶油"、"四大行"啥的 ，我就知道，该干嘛干嘛了！ 兴业证券统计了近十年各类风格相对全A指数的胜率，发现存在明显的日历效应。每年2月到3 月上旬，小市值、高弹性风格的胜率最高，而大市值、低估值、绩优股往往较难跑赢。 3月 中下旬到4月上旬，市场将逐渐步入一个更加均衡、各类风格胜率基本相当、没有特别明确主 / 2025.03. ...

Core Viewpoint - The article highlights the ongoing market adjustments, with a focus on the potential growth in the deep-sea technology sector, which is expected to significantly contribute to China's marine economy by 2025 [3]. Market Overview - The market continues to adjust, with the Shanghai Composite Index showing relative strength supported by blue-chip stocks, while the Shenzhen Composite Index and the ChiNext Index both declined by around 1% [1]. - Recent hot sectors, particularly robotics and AI computing stocks, have weakened, indicating a noticeable retreat in short-term market sentiment [2][6]. Deep-Sea Technology Sector - The government work report has introduced the direction to accelerate deep-sea technology research and industrialization, projecting a market potential of 3.25 trillion yuan by 2025, making it a key growth area within the 13 trillion yuan marine economy [3]. - Deep-sea technology encompasses advanced technologies and disciplines for exploring, developing, and utilizing deep-sea resources, including deep-sea detection, resource development, communication, navigation, and engineering technologies [3]. - The marine economy is expected to surpass 10 trillion yuan in 2024, with deep-sea technology being a significant growth driver [3]. Investment Opportunities in Deep-Sea Technology - Companies involved in deep-sea technology and equipment are highlighted, including: - Baose Co., Ltd. (19.73 billion yuan market cap) is engaged in national key deep-sea titanium alloy equipment projects [5]. - Baotai Co., Ltd. (82.00 billion yuan market cap) is the largest titanium and titanium alloy production and research base in China [5]. - Other notable companies include Jushi Co., Ltd., Haimeite Technology, and Zhongke Haixun, all of which are involved in various aspects of deep-sea technology and equipment [5]. Coal Sector Recovery - The coal sector has shown a recovery, with the sector index rising over 6% in six trading days, driven by increased industrial demand and a potential stabilization in coal prices [7]. - Factors contributing to this recovery include: - Economic recovery leading to higher industrial production and coal demand [7]. - Market funds shifting towards stable investment options, with coal being a traditional resource sector with risk resilience [7]. - The coal sector's high performance, cash flow, and dividend attributes, maintaining its appeal as a high-yield investment [7][8]. Conclusion - The article emphasizes the potential of the deep-sea technology sector as a significant growth area in China's marine economy, while also noting the recovery of the coal sector as a stable investment opportunity amidst market adjustments [3][7].