002491 通鼎互联
午间休市 08-13 11:30:00
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8月12日通鼎互联（002491）龙虎榜数据：机构净买入403.4万元，北向资金净卖出4869.05万元
证券之星 · 08-12 17:31
8月12日通鼎互联（002491）龙虎榜数据：机构净买入403.4万元，北向资金净卖出4869.05万元
异动快报：通鼎互联（002491）8月12日10点10分触及涨停板
证券之星 · 08-12 10:20
异动快报：通鼎互联（002491）8月12日10点10分触及涨停板
异动快报：通鼎互联（002491）8月5日11点14分触及涨停板
证券之星 · 08-05
异动快报：通鼎互联（002491）8月5日11点14分触及涨停板
异动快报：通鼎互联（002491）7月21日9点57分触及跌停板
证券之星 · 07-21
异动快报：通鼎互联（002491）7月21日9点57分触及跌停板
光纤概念震荡走弱，长飞光纤、通鼎互联跌停
每日经济新闻 · 07-21
光纤概念震荡走弱，长飞光纤、通鼎互联跌停
通鼎互联（002491）披露控股股东无偿捐赠部分公司股份完成过户公告，7月14日股价上涨4.98%
证券之星 · 07-14
通鼎互联（002491）披露控股股东无偿捐赠部分公司股份完成过户公告，7月14日股价上涨4.98%
异动快报：通鼎互联（002491）7月13日13点15分触及跌停板
证券之星 · 07-13
异动快报：通鼎互联（002491）7月13日13点15分触及跌停板
通鼎互联（002491）披露股票交易异常波动公告，7月01日股价下跌8.67%
证券之星 · 07-01
通鼎互联（002491）披露股票交易异常波动公告，7月01日股价下跌8.67%
通鼎互联：光纤产品短期价格波动的可持续性具有不确定性
格隆汇 · 07-01
通鼎互联：光纤产品短期价格波动的可持续性具有不确定性
异动快报：通鼎互联（002491）6月29日10点34分触及跌停板
证券之星 · 06-29
异动快报：通鼎互联（002491）6月29日10点34分触及跌停板
【券商聚焦】中信建投：建议持续重点配置AI算力产业链
金吾财讯 · 06-29
【券商聚焦】中信建投：建议持续重点配置AI算力产业链
异动快报：通鼎互联（002491）6月26日11点23分触及跌停板
证券之星 · 06-26
异动快报：通鼎互联（002491）6月26日11点23分触及跌停板
异动快报：通鼎互联（002491）6月24日9点32分触及涨停板
证券之星 · 06-24
异动快报：通鼎互联（002491）6月24日9点32分触及涨停板
通鼎互联（002491）披露控股股东无偿捐赠部分公司股份公告，6月22日股价上涨7.66%
证券之星 · 06-22
通鼎互联（002491）披露控股股东无偿捐赠部分公司股份公告，6月22日股价上涨7.66%
4倍光通信牛股002491，控股股东拟向上海交大捐赠350万股，市值超亿元
滚动播报 · 06-21
4倍光通信牛股002491，控股股东拟向上海交大捐赠350万股，市值超亿元
2连板通鼎互联：控股股东拟向上海交通大学教育发展基金会捐赠350万股股份
证券之星 · 06-21
2连板通鼎互联：控股股东拟向上海交通大学教育发展基金会捐赠350万股股份
6月18日通鼎互联（002491）涨停分析：光通信扩张、AI算力需求、新业务放量驱动
证券之星 · 06-18
6月18日通鼎互联（002491）涨停分析：光通信扩张、AI算力需求、新业务放量驱动
通鼎互联（002491）披露股票交易异常波动公告，6月17日股价上涨10.0%
证券之星 · 06-17
通鼎互联（002491）披露股票交易异常波动公告，6月17日股价上涨10.0%
通鼎互联(002491.SZ)：当前业务不涉及光模块、光芯片产品
智通财经 · 06-17
通鼎互联(002491.SZ)：当前业务不涉及光模块、光芯片产品
6月17日通鼎互联（002491）龙虎榜数据：机构净买入1.48亿元（3日），北向资金净买入4.3亿元（3日）
证券之星 · 06-17
6月17日通鼎互联（002491）龙虎榜数据：机构净买入1.48亿元（3日），北向资金净买入4.3亿元（3日）
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公司概况
公司名称：
通鼎互联信息股份有限公司
所属行业：
电气机械和器材制造业
上市日期：
2010-10-21
主营业务：
通鼎互联信息股份有限公司的主营业务是光电通信、安全业务、新能源板块。公司的主要产品是光纤光缆、通信电缆、电力电缆、通信设备、新能源业务、安全业务。
发行价格：
14.50
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17:31","pubTimestamp":1786527116,"startTime":"0","endTime":"0","summary":"证券之星消息，沪深交易所2026年8月12日公布的交易公开信息显示，通鼎互联因日涨幅偏离值达到7%的前5只证券登上龙虎榜。此次是近5个交易日内第1次上榜。截至2026年8月12日收盘，通鼎互联报收于18.84元，上涨9.98%，涨停，换手率6.93%，成交量81.51万手，成交额14.72亿元。从龙虎榜公布的当日买卖数据来看，机构合计净买入403.4万元，北向资金合计净卖出4869.05万元。深股通专用、沪股通专用为北向资金的交易席位。","market":"sh","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026081200029897.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0070","002491","BK0090","BK0148","BK0224","BK0077"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2658940573","title":"异动快报：通鼎互联（002491）8月12日10点10分触及涨停板","url":"https://stock-news.laohu8.com/highlight/detail?id=2658940573","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2658940573?lang=zh_cn&edition=full","pubTime":"2026-08-12 10:20","pubTimestamp":1786501234,"startTime":"0","endTime":"0","summary":"证券之星8月12日盘中消息，10点10分通鼎互联（002491）触及涨停板。其所属行业通信设备目前上涨。领涨股为长盈通。该股为光纤概念，光通信，云计算数据中心概念热股，当日光纤概念概念上涨2.85%，光通信概念上涨2.74%，云计算数据中心概念上涨1.34%。8月11日的资金流向数据方面，主力资金净流出1.33亿元，占总成交额6.76%，游资资金净流出2832.9万元，占总成交额1.44%，散户资金净流入1.61亿元，占总成交额8.2%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"hk","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026081200011722.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0070","BK0077","002491","BK0090","BK0148","BK0224"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2657594337","title":"异动快报：通鼎互联（002491）8月5日11点14分触及涨停板","url":"https://stock-news.laohu8.com/highlight/detail?id=2657594337","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2657594337?lang=zh_cn&edition=full","pubTime":"2026-08-05 11:15","pubTimestamp":1785899717,"startTime":"0","endTime":"0","summary":"证券之星8月5日盘中消息，11点14分通鼎互联（002491）触及涨停板。其所属行业通信设备目前上涨。领涨股为欣天科技。该股为5G，光纤概念，光通信概念热股，当日5G概念上涨2.6%，光纤概念概念上涨2.59%，光通信概念上涨2.39%。8月4日的资金流向数据方面，主力资金净流出1034.44万元，占总成交额0.53%，游资资金净流入944.59万元，占总成交额0.49%，散户资金净流入89.85万元，占总成交额0.05%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026080500016654.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0077","BK0224","BK0148","002491","BK0070","BK0090"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2653424055","title":"异动快报：通鼎互联（002491）7月21日9点57分触及跌停板","url":"https://stock-news.laohu8.com/highlight/detail?id=2653424055","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2653424055?lang=zh_cn&edition=full","pubTime":"2026-07-21 10:05","pubTimestamp":1784599550,"startTime":"0","endTime":"0","summary":"证券之星7月21日盘中消息，9点57分通鼎互联（002491）触及跌停板。其所属行业通信设备目前下跌。领涨股为恒宝股份。该股为长三角一体化，高铁轨交，大数据概念热股。7月20日的资金流向数据方面，主力资金净流入2.83亿元，占总成交额8.9%，游资资金净流出678.12万元，占总成交额0.21%，散户资金净流出2.76亿元，占总成交额8.69%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"sh","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026072100013095.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0224","BK0148","BK0077","002491","BK0090","BK0070"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2653240572","title":"光纤概念震荡走弱，长飞光纤、通鼎互联跌停","url":"https://stock-news.laohu8.com/highlight/detail?id=2653240572","media":"每日经济新闻","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2653240572?lang=zh_cn&edition=full","pubTime":"2026-07-21 09:59","pubTimestamp":1784599183,"startTime":"0","endTime":"0","summary":"7月21日，光纤概念早盘震荡走弱，长飞光纤、通鼎互联跌停，长盈通跌超10%，永鼎股份、亨通光电、特发信息、中天科技跌幅靠前。","market":"us","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"stock_eastmoney","url":"http://finance.eastmoney.com/a/202607213814525160.html","rn_cache_url":null,"directOrigin":true},"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"http://finance.eastmoney.com/a/202607213814525160.html","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stock_eastmoney","symbols":["BK0148","BK0224","BK0214","BK0090","601869","BK0070","002491","BK0077"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2651910108","title":"通鼎互联（002491）披露控股股东无偿捐赠部分公司股份完成过户公告，7月14日股价上涨4.98%","url":"https://stock-news.laohu8.com/highlight/detail?id=2651910108","media":"证券之星","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2651910108?lang=zh_cn&edition=full","pubTime":"2026-07-14 22:10","pubTimestamp":1784038235,"startTime":"0","endTime":"0","summary":"截至2026年7月14日收盘，通鼎互联报收于20.86元，较前一交易日上涨4.98%，最新总市值为256.58亿元。近日，通鼎互联发布《关于控股股东无偿捐赠部分公司股份完成过户的公告》。公告显示，公司控股股东通鼎集团有限公司向上海交通大学教育发展基金会无偿捐赠其持有的公司350万股无限售流通股，占公司总股本的0.28%。本次捐赠不会导致公司控股股东、实际控制人发生变化，不涉及控制权变更。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026071400049253.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["002491","BK0090","BK0070","BK0148","BK0224","BK0077"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2651193377","title":"异动快报：通鼎互联（002491）7月13日13点15分触及跌停板","url":"https://stock-news.laohu8.com/highlight/detail?id=2651193377","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2651193377?lang=zh_cn&edition=full","pubTime":"2026-07-13 13:21","pubTimestamp":1783920075,"startTime":"0","endTime":"0","summary":"证券之星7月13日盘中消息，13点15分通鼎互联（002491）触及跌停板。其所属行业通信设备目前下跌。领涨股为星网锐捷。该股为长三角一体化，网络安全，大数据概念热股。7月10日的资金流向数据方面，主力资金净流出2.68亿元，占总成交额7.84%，游资资金净流入3725.1万元，占总成交额1.09%，散户资金净流入2.31亿元，占总成交额6.75%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026071300014275.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0077","BK0224","002491","BK0090","BK0148","BK0070"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2648549680","title":"通鼎互联（002491）披露股票交易异常波动公告，7月01日股价下跌8.67%","url":"https://stock-news.laohu8.com/highlight/detail?id=2648549680","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2648549680?lang=zh_cn&edition=full","pubTime":"2026-07-01 22:01","pubTimestamp":1782914481,"startTime":"0","endTime":"0","summary":"截至2026年7月1日收盘，通鼎互联报收于29.59元，较前一交易日下跌8.67%，最新总市值为363.96亿元。该股当日开盘31.82元，最高32.59元，最低29.19元，成交额达54.6亿元，换手率为15.18%。公告显示，公司股票于2026年6月29日、6月30日、7月1日连续三个交易日收盘价格跌幅偏离值累计超过20%，属于股票交易异常波动。公司、控股股东及实际控制人无应披露而未披露的重大事项，且在股票异常波动期间未买卖公司股票。公司不存在违反公平信息披露的情形。","market":"hk","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026070100043223.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0070","BK0077","BK0148","BK0090","BK0224","002491"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2648519912","title":"通鼎互联：光纤产品短期价格波动的可持续性具有不确定性","url":"https://stock-news.laohu8.com/highlight/detail?id=2648519912","media":"格隆汇","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2648519912?lang=zh_cn&edition=full","pubTime":"2026-07-01 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10:35","pubTimestamp":1782700531,"startTime":"0","endTime":"0","summary":"证券之星6月29日盘中消息，10点34分通鼎互联（002491）触及跌停板。其所属行业通信设备目前下跌。领涨股为美利信。该股为长三角一体化，大数据，高铁轨交概念热股。6月26日的资金流向数据方面，主力资金净流出4.13亿元，占总成交额6.15%，游资资金净流入1386.51万元，占总成交额0.21%，散户资金净流入3.99亿元，占总成交额5.94%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026062900009099.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"-2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0077","BK0070","002491","BK0224","BK0148","BK0090"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2647448623","title":"【券商聚焦】中信建投：建议持续重点配置AI算力产业链","url":"https://stock-news.laohu8.com/highlight/detail?id=2647448623","media":"金吾财讯","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2647448623?lang=zh_cn&edition=full","pubTime":"2026-06-29 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09:42","pubTimestamp":1782265333,"startTime":"0","endTime":"0","summary":"证券之星6月24日盘中消息，9点32分通鼎互联（002491）触及涨停板。其所属行业通信设备目前下跌。领涨股为通鼎互联。该股为光通信，长三角一体化，5G概念热股，当日光通信概念上涨0.2%。6月23日的资金流向数据方面，主力资金净流出2.74亿元，占总成交额4.63%，游资资金净流出1.53亿元，占总成交额2.59%，散户资金净流入4.27亿元，占总成交额7.22%。近5日资金流向一览见下表：通鼎互联主要指标及行业内排名如下：以上内容为证券之星据公开信息整理，仅供参考不构成投资建议。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026062400010629.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"2","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0148","BK0070","002491","BK0077","BK0224","BK0090"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2645236040","title":"通鼎互联（002491）披露控股股东无偿捐赠部分公司股份公告，6月22日股价上涨7.66%","url":"https://stock-news.laohu8.com/highlight/detail?id=2645236040","media":"证券之星","labels":["shareholding"],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2645236040?lang=zh_cn&edition=full","pubTime":"2026-06-22 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18:01","pubTimestamp":1782036060,"startTime":"0","endTime":"0","summary":"炒股就看金麒麟分析师研报，权威，专业，及时，全面，助您挖掘潜力主题机会！ 6月21日，通鼎互联发布公告称，公司控股股东通鼎集团计划向上海交通大学教育发展基金会无偿捐赠其所持公司350万股无限售流通股，占公司总股本的0.28%。 截至6月18日收盘，通鼎互联报31.58元/股，按此估算，即将捐赠的350万股股份对应市值约1.1亿元。 此外，今年以来，多家上市公司控股股东相继向上海交大捐赠股份。","market":"other","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://finance.sina.com.cn/stock/marketresearch/2026-06-21/doc-inieehwq9685034.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"shareholding","news_rank":0,"length":0,"strategy_id":0,"source":"sina","symbols":["002491","BK0070","BK0077","BK0090","BK0148","BK0224"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2645921940","title":"2连板通鼎互联：控股股东拟向上海交通大学教育发展基金会捐赠350万股股份","url":"https://stock-news.laohu8.com/highlight/detail?id=2645921940","media":"证券之星","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2645921940?lang=zh_cn&edition=full","pubTime":"2026-06-21 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22:02","pubTimestamp":1781704944,"startTime":"0","endTime":"0","summary":"截至2026年6月17日收盘，通鼎互联报收于28.71元，较前一交易日上涨10.0%，最新总市值为353.13亿元。该股当日开盘26.11元，最高28.71元，最低25.66元，成交额达51.78亿元，换手率为16.0%。近日，通鼎互联发布《股票交易异常波动公告》。公告显示，公司股票于2026年6月15日至17日连续三个交易日收盘价涨幅偏离值累计超20%，构成异常波动。公司、控股股东及实际控制人无应披露未披露事项，股票异常波动期间无买卖行为。","market":"fut","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://stock.stockstar.com/RB2026061700041892.shtml","is_publish_highlight":false,"source_rank":0,"column":"","sentiment":"1","news_top_title":null,"news_tag":"","news_rank":0,"length":0,"strategy_id":0,"source":"stockstar","symbols":["BK0077","BK0224","002491","BK0090","BK0148","BK0070"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2644430147","title":"通鼎互联(002491.SZ)：当前业务不涉及光模块、光芯片产品","url":"https://stock-news.laohu8.com/highlight/detail?id=2644430147","media":"智通财经","labels":[],"top":-1,"itemType":null,"share":"https://www.laohunote.com/m/news/2644430147?lang=zh_cn&edition=full","pubTime":"2026-06-17 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