Core Viewpoint - The company's stock experienced an abnormal fluctuation with a cumulative closing price deviation exceeding 20% over three consecutive trading days from December 23 to 25, 2025, indicating potential volatility in the market [1] Financial Performance - As of December 25, 2025, the company's static and rolling price-to-earnings (P/E) ratio and price-to-book (P/B) ratio are significantly higher than the industry average [1] - For the first three quarters of 2025, the company reported a net profit of 79.203 million, a year-on-year decrease of 27.25%, and a non-recurring net profit of 77.805 million, down 25.54% year-on-year [1] Business Segments - The commercial aerospace and perovskite solar energy businesses accounted for less than 1% of total revenue in 2024 and have not yet turned a profit [1]

Market Performance - The infrastructure sector increased by 0.45% compared to the previous trading day, with Guosheng Technology leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] Top Gainers in Infrastructure Sector - Guosheng Technology (603778) closed at 15.89, up 6.15%, with a trading volume of 977,400 shares and a transaction value of 1.528 billion [1] - ST Zhengping (603843) closed at 4.73, up 5.11%, with a trading volume of 20,800 shares and a transaction value of 9.8249 million [1] - Dongzhu Ecology (603359) closed at 8.64, up 5.11%, with a trading volume of 308,800 shares and a transaction value of 263 million [1] Market Trends and Capital Flow - The infrastructure sector experienced a net outflow of 88.965 million from institutional investors, while retail investors saw a net inflow of 127 million [2] - The top stocks with significant net inflows from retail investors include China Nuclear Engineering (601611) with a net inflow of 1.15 billion [3] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing while retail investors are actively buying [2][3]

| 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | --- | --- | --- | --- | --- | --- | | 603007 | *ST花王 | 4.94 | -1.59% | 10.09万 | 4978.37万 | | 002307 | 北新路桥 | 5.15 | -0.77% | 54.33万 | 2.78亿 | | 000010 | 美丽生态 | 3.60 | -0.55% | 12.08万 | 4365.06万 | | 002663 | 普邦股份 | 1.97 | -0.51% | 1 28.86万 | 5678.53万 | | 600039 | 四川路桥 | 9.81 | -0.30% | 14.57万 | 1.43亿 | | 002717 | ST岭南 | 1.69 | 0.00% | 20.06万 | 3387.16万 | | 601868 | 中国能建 | 2.37 | 0.00% | 187.83万 | 4.46 Z | | 600512 | 腾达建设 | 2.42 | 0.00% | 12.17万 | 2948.20万 | | 00294 ...

（文章来源：证券日报） 证券日报网讯 12月23日，浙江交科在互动平台回答投资者提问时表示，根据中国证券登记结算有限责 任公司下发的含信用账户合并名册，截至2025年12月19日收盘，公司股东户数为45741户。 ...

Market Overview - The infrastructure sector experienced a decline of 0.2% on December 23, with Dongzhu Ecology leading the losses [1] - The Shanghai Composite Index closed at 3919.98, up 0.07%, while the Shenzhen Component Index closed at 13368.99, up 0.27% [1] Stock Performance - Notable gainers in the infrastructure sector included: - Pudong Construction (600284) with a closing price of 8.52, up 5.97% and a trading volume of 503,600 shares, totaling 423 million yuan [1] - Tusheng Technology (603778) closed at 13.87, up 5.64% with a trading volume of 921,300 shares, totaling 1.25 billion yuan [1] - ST Jianhai (002586) closed at 4.31, up 5.12% with a trading volume of 134,800 shares, totaling 57.81 million yuan [1] - Major decliners included: - Dongzhu Ecology (603359) closed at 8.06, down 5.40% with a trading volume of 208,000 shares, totaling 170 million yuan [2] - ST Zhengping (603843) closed at 4.46, down 4.90% with a trading volume of 563,000 shares, totaling 253 million yuan [2] - Jiaojian Co. (603815) closed at 7.58, down 4.89% with a trading volume of 429,300 shares, totaling 325 million yuan [2] Capital Flow - The infrastructure sector saw a net outflow of 246 million yuan from institutional investors, while retail investors contributed a net inflow of 201 million yuan [2] - The table of capital flow indicates that: - Pudong Construction had a net inflow of 42.01 million yuan from institutional investors, while retail investors had a net outflow of 31.68 million yuan [3] - China Nuclear Engineering (601611) experienced a net inflow of 22.74 million yuan from institutional investors [3] - Xinjiang Communications Construction (002941) had a net inflow of 19.49 million yuan from institutional investors [3]

上交所向交建股份下发监管工作函，就公司信息披露事项明确监管要求。 （文章来源：第一财经） ...

从资金流向上来看，当日基础建设板块主力资金净流出8912.66万元，游资资金净流入3304.96万元，散 户资金净流入5607.7万元。基础建设板块个股资金流向见下表： 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 证券之星消息，12月22日基础建设板块较上一交易日上涨0.05%，*ST正平领涨。当日上证指数报收于 3917.36，上涨0.69%。深证成指报收于13332.73，上涨1.47%。基础建设板块个股涨跌见下表： ...

截至2025年12月19日收盘，上海港湾（605598）报收于47.17元，较前一交易日下跌2.74%，最新总市值 为115.37亿元。该股当日开盘48.0元，最高50.22元，最低45.91元，成交额达5.65亿元，换手率为 4.91%。 近日，上海港湾基础建设（集团）股份有限公司召开第三届董事会第十六次临时会议，审议通过《关于 2026年度使用部分闲置自有资金进行委托理财额度预计的议案》。根据公告，公司拟使用单日最高余额 不超过40,000万元（含）的闲置自有资金购买风险可控、流动性较好的理财产品，包括国债、定期存 款、结构性存款、银行理财产品、券商理财产品等。投资期限为董事会审议通过之日起12个月内，资金 可循环使用。该事项无需提交股东大会审议。公司已制定相应风险控制措施，确保资金安全。 最新公告列表 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成 投资建议。 《关于2026年度日常关联交易预计的公告》 《关于2026年度使用部分闲置自有资金进行委托理财额度预计的公告》 《第三届董事会第十六次临时会议决议公告》 ...

证券之星消息，12月18日基础建设板块较上一交易日下跌0.24%，*ST正平领跌。当日上证指数报收于 3876.37，上涨0.16%。深证成指报收于13053.98，下跌1.29%。基础建设板块个股涨跌见下表： 以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日基础建设板块主力资金净流出3.1亿元，游资资金净流出4546.76万元，散户资 金净流入3.55亿元。基础建设板块个股资金流向见下表： ...

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日基础建设板块主力资金净流出7314.41万元，游资资金净流出2.03亿元，散户资 金净流入2.76亿元。基础建设板块个股资金流向见下表： 证券之星消息，12月17日基础建设板块较上一交易日上涨0.28%，国晟科技领涨。当日上证指数报收于 3870.28，上涨1.19%。深证成指报收于13224.51，上涨2.4%。基础建设板块个股涨跌见下表： ...