美股詳情

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Defiance AI and Power Infrastructure ETF

28.51

+0.31001.10%

盤後：28.600.0900+0.32%19:55 EDT

成交量：83.76萬

成交額：2,378.73萬

市值：9.14億

市盈率：- -

高：28.54

開：28.43

低：28.14

收：28.20

52周最高：34.79

52周最低：20.65

股本：3,207.50萬

流通股本：3,207.50萬

量比：0.63

換手率：2.61%

股息：0.00

股息率：0.01%

淨資產收益率：--

總資產收益率：--

市淨率：--

市盈率(LYR):- -

資料載入中...

總覽公司新聞資訊公告

AI 公司 Nuance 以 5000 萬美元估值完成 A 輪融資，Lightspeed Venture Partners 領投

【美股盤前】AI巨頭呼籲放慢模型開發，美股期指走低，AI產業鏈全線重挫，存儲、光通信板塊領跌

TradingKey中文

受中東供應擔憂推動油價上漲，AI風險警示衝擊科技企業

环球市场播报

Anthropic、OpenAI首席執行官發出AI悲觀警示，網絡安全板塊應聲大漲

环球市场播报

AI 初創公司 Discovery Loop 以 100 億美元估值完成 10 億美元融資，Radical Ventures 與 Khosla Ventures 領投

多名頂級AI安全研究員離職並預警：AI或在五年內造成巨大危害

AI短劇成本大降9成，完播率不足5%，造富神話竟是騙局？

Anthropic與OpenAI首席執行官的AI警示，或將重創這隻高增長概念股

环球市场播报

花2萬報AI培訓班的深圳年輕人，沒有等到「包就業」

建築AI企業Buildots獲1.3億美元融資，估值近10億美元

AI「減速」？OpenAI總裁：主要針對前沿模型

Sam Altman支持控制前沿AI發展節奏，OpenAI將引入獨立安全評估

TradingKey中文

白皮書預測到2030年中國AI主機市場規模將達770億元

【9.19承澤論壇報名】AI時代的社交、學習與領導力

北京大学国家发...

AI熱潮下的三個追問：數據越多越好？估值越高越強？哪些能勝出？

AI三巨頭集體喊「減速」，美股大型科技股、半導體盤前「崩」了；分析師質疑「搞壟斷」，Anthropic估值受挑戰

美國「三巨頭」呼籲AI減速背後的「私心」：減少投入，增加盈利，鞏固地位

每日经济新闻

巴基斯坦央行將基準利率維持在11.5%不變

每日经济新闻

OpenAI總裁：為AI開發減速應主要針對前沿模型

环球市场播报

AI「口頭放緩」引擔憂，A股光模塊三巨頭市值單日蒸發近千億

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公司 Nuance 以 5000 萬美元估值完成 A 輪融資，Lightspeed Venture Partners 領投","url":"https://stock-news.laohu8.com/highlight/detail?id=2667665409","media":"链捕手","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667665409?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 20:17","pubTimestamp":1789388267,"startTime":"0","endTime":"0","summary":" ChainCatcher 消息，据 Business Insider 报道，总部位于西雅图的人工智能公司 Nuance 宣布完成 5000 万美元 A 轮融资，Lightspeed Venture Partners 领投，Accel、英伟达旗下 NVentures、South Park Commons 和 Define Ventures 参投。\n\nNuance 由三位前苹果研究人员于去年创立，旨在开发具备更强情绪理解能力的多模态 AI 模型，该公司于去年 7 月完成由 Accel 领投的 1000 万美元种子轮融资。 ","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://www.chaincatcher.com/article/2289681","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":null,"symbols":["AIPO","VTHR","CHAT","ARTY","AGIX","QTOC"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667966558","title":"【美股盤前】AI巨頭呼籲放慢模型開發，美股期指走低，AI產業鏈全線重挫，存儲、光通信板塊領跌","url":"https://stock-news.laohu8.com/highlight/detail?id=2667966558","media":"TradingKey中文","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667966558?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 20:00","pubTimestamp":1789387200,"startTime":"0","endTime":"0","summary":"TradingKey - 美东时间周一（9月14日），美股三大股指期货盘前走低。OpenAI、Anthropic和xAI掌门人罕见呼吁放慢前沿AI模型开发，引发市场对AI产业投资及增长前景的担忧。与此同时，油价持续飙升重新点燃通胀压力，全球风险资产普遍承压。","market":"fut","thumbnail":"https://resource.tradingkey.com/cms_uploads/img/20231020/2fb8df0a1db8e29d2353028ea11d51ba.jpg","type":0,"news_type":0,"thumbnails":["https://resource.tradingkey.com/cms_uploads/img/20231020/2fb8df0a1db8e29d2353028ea11d51ba.jpg"],"rights":null,"property":[],"language":"zh","translate_title":"","themeId":null,"theme_name":"","theme_type":"","isJumpTheme":false,"source_url":"https://www.tradingkey.com/zh-hans/analysis/stocks/us-stock/262166274-us-pre-market-tradingkey","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":null,"symbols":["LYTE","FOTO","AIPO","SIXG","LUMA","QTOC","VTHR","CHAT","AGIX","ARTY"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667066586","title":"受中東供應擔憂推動油價上漲，AI風險警示衝擊科技企業","url":"https://stock-news.laohu8.com/highlight/detail?id=2667066586","media":"环球市场播报","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667066586?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 19:59","pubTimestamp":1789387140,"startTime":"0","endTime":"0","summary":"受中东战事影响，沙特关闭一条关键输油管道，市场通胀担忧升温，普遍预期美联储将于本周加息。原油期货再度上扬，本周开局涨幅达 3%；美国柴油均价同步飙升，突破每加仑 6 美元，创下历史新高。Anthropic 首席执行官达里奥阿莫代伊最新发出风险警告，他于周六呼吁 AI 企业放缓这项强大技术的迭代节奏，表示 “应对风险需要保持更高审慎”。美联储加息箭在弦上美国柴油均价攀升至每加仑 6.23 美元，上周五首次突破 6 美元大关。","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://finance.sina.com.cn/stock/usstock/c/2026-09-14/doc-inirveaq9273613.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":"sina","symbols":["OILU","UGA","SPXT","BNO","AIPO","PEJ","TPOR","PXJ","BWET","USOI","VTHR","IEO","WEEI","IXC","UAE","DRLL","DBC","BK4585","BK4570","FTXN","VOOV","PXE","XES","SDOG","ARTY","VDE","WTIU","USL","ERX","BK4588","DIG","GUSH","OILK","DBE","AGIX","DRIP","DUG","OILT","USE","XLEX","DBO","CHAT","OIH","QTOC"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667665862","title":"Anthropic、OpenAI首席執行官發出AI悲觀警示，網絡安全板塊應聲大漲","url":"https://stock-news.laohu8.com/highlight/detail?id=2667665862","media":"环球市场播报","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667665862?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 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領投","url":"https://stock-news.laohu8.com/highlight/detail?id=2667066540","media":"链捕手","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667066540?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 19:51","pubTimestamp":1789386706,"startTime":"0","endTime":"0","summary":" ChainCatcher 消息，据 Business Insider 报道，前谷歌首席科学家 Jeff Dean 离职后创立的 AI 初创公司 Discovery Loop 正在进行新一轮融资，目标估值约 500 亿美元。就在数周前，该公司刚完成以约 100 亿美元估值融资 10 亿美元的轮次。\n\nDiscovery Loop 致力于通过 AI 自动化实验、加速科学与工程领域的重大发现，首轮融资由 Radical Ventures 与 Khosla Ventures 领投，Lightspeed、Kleiner Perkins 等参投，Alphabet 亦为创始投资方。公司联合创始人团队均为谷歌技术元老，包括 Sanjay Ghemawat、Quoc Le 及 Oriol Vinyals，三人分别在分布式计算、深度学习及强化学习领域拥有深厚积累。 ","market":"nz","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://www.chaincatcher.com/article/2289674","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":null,"symbols":["AGIX","CHAT","ARTY","VTHR","AIPO","QTOC"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667658256","title":"多名頂級AI安全研究員離職並預警：AI或在五年內造成巨大危害","url":"https://stock-news.laohu8.com/highlight/detail?id=2667658256","media":"第一财经","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667658256?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 19:50","pubTimestamp":1789386613,"startTime":"0","endTime":"0","summary":"继上周Anthropic安全研究员对外警示AI失控风险后，谷歌DeepMind的研究员也加入呼吁队列了。当地时间9月13日，谷歌DeepMind通用人工智能安全团队研究员乔希·恩格尔斯宣布离职，加入独立AI评估机构METR。AI或在五年内或造成巨大危害恩格尔斯此前在谷歌DeepMind通用人工智能安全团队工作，主要研究如何降低先进AI系统可能带来的灾难性风险。他提到，目前AI公司对安全投入不足。","market":"sh","thumbnail":null,"type":0,"news_type":0,"thumbnails":[],"rights":{"source":"fenghuang_stock","url":"https://finance.ifeng.com/c/8wQ0cwZWiLk","rn_cache_url":null,"customStyle":"","selectors":"article, 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做的人都在亏钱按常理，短剧制作成本降了9成，AI随便调用，做剧的人早该发财了。数据显示，AI短剧的完播率连传统真人剧的5%都不到。目前业内AI短剧的爆款率只有0.12%，相当于做一千部才可能火一部，超80%的甚至播放量不足百万。说白了，现在AI短剧对绝大多数人来说，早已不是一门能赚钱的生意。","market":"us","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://tech.ifeng.com/c/8wPyiAJWW4V","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":"fenghuang_stock","symbols":["ARTY","CHAT","AIPO","AGIX","QTOC","VTHR"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667495663","title":"Anthropic與OpenAI首席執行官的AI警示，或將重創這隻高增長概念股","url":"https://stock-news.laohu8.com/highlight/detail?id=2667495663","media":"环球市场播报","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667495663?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 19:48","pubTimestamp":1789386480,"startTime":"0","endTime":"0","summary":"如果人工智能行业发展受到约束，Anthropic 与 OpenAI 两家公司 CEO 发出的严厉 AI 风险警告，可能会对 CoreWeave 的业务造成尤为沉重的冲击。受两位企业高管最新警示言论影响，CoreWeave 盘前股价下跌近 7%，是 AI 概念股中跌幅较大的个股之一。短短两天时间里，Anthropic 首席执行官达里奥阿莫代伊和 OpenAI 首席执行官山姆奥特曼这两位 AI 行业巨头，针对这项由他们主导、并带领顶尖研发团队加速迭代的强大技术发出警示，引发科技圈震动。","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/usstock/c/2026-09-14/doc-iniruxuy4564579.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":"sina","symbols":["ARTY","AIPO","AGIX","CHAT","VTHR","QTOC"],"isVideo":false,"video":null,"gpt_icon":0},{"id":"2667659186","title":"花2萬報AI培訓班的深圳年輕人，沒有等到「包就業」","url":"https://stock-news.laohu8.com/highlight/detail?id=2667659186","media":"市场资讯","labels":[],"top":-1,"itemType":null,"share":"https://ttm.financial/m/news/2667659186?lang=zh_tw&edition=fundamental","pubTime":"2026-09-14 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