受AI监管担忧冲击,芯片股遭抛售,纳斯达克指数创19个月来最大单日跌幅

纳斯达克市场走势概览

周四,纳斯达克综合指数遭遇自2025年4月以来的最大单日跌幅。交易员纷纷抛售芯片和数据中心相关股票,原因在于市场担心新当选的民主党国会可能会收紧针对人工智能(AI)基础设施的监管规定。

该指数下跌5.52%,收于24,315.00点,确认了自10月6日创下收盘纪录以来的回调走势。截至2026年11月6日UTC+8时间08:39,纳斯达克100指数期货上涨0.83%,报26,970.50点。

市场波动的主要诱因

在本周的中期选举中,民主党在多个州获胜,其中包括一些反对新建数据中心的地区。交易员担心,更严格的监管可能会放缓AI基础设施的建设步伐——而正是这一建设浪潮推动了今年股市屡创新高。

此外,德克萨斯州当选州长吉娜·伊诺霍萨(Gina Hinojosa)呼吁暂停新建数据中心,直至出台相关法律以保障公民权益。

一位投资者表示,市场似乎已经意识到,一些新当选的官员希望放缓基础设施建设的节奏,尽管完全叫停的可能性并不大。

市场数据与反应

芯片股成为此次抛售的重灾区。费城半导体指数暴跌12.25%。AMD、美光以及闪迪等存储设备制造商跌幅居前,英伟达也大幅下挫。高通因智能手机芯片销售额不及预期而股价走低。

数据中心运营商股价同样大幅下跌,与AI基础设施建设相关的电力股也出现下滑。交易员转而投向公用事业和必需消费品等防御性板块。

对更广泛市场的影响

此次抛售加剧了市场对“AI投资热潮”的质疑。此前,多家大型企业在9月季度的疲软财报已引发担忧,显示出在AI领域的大规模投入能否带来预期回报尚存不确定性。

货币政策也带来了额外压力。克利夫兰联储主席贝丝·哈马克(Beth Hammack)和里士满联储主席托马斯·巴尔金周四均暗示,未来可能进一步加息。继9月份加息之后,交易员预计美联储下个月将再次加息。

美股交易员应关注:

  • 美国非农就业数据(将于2026年11月6日北京时间21:30发布)。强劲的就业数据可能为美联储继续加息提供空间。
  • 美联储官员在下个月政策决议出台前发表的言论。
  • 新任立法者及各州政府针对AI和数据中心监管所提出的具体方案。

关于作者

 

Martin Lam 是 ATFX 亚太区首席分析师,在全球外汇及投资市场拥有逾 20 年的经验。他毕业于迪肯大学(Deakin University),主修金融与经济学,并曾在多家领先的外汇经纪公司担任高级管理职位。

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