盘前异动丨英伟达率芯片股反弹，昨日暴涨141%的极光续涨8%
1月28日周二，美股三大指数期货在盘前时段集体反弹。昨日纳指大跌超3%，中国AI初创企业DeepSeek点燃了外界对美国在AI领域技术优势的担忧。
英伟达盘前反弹，截至发稿涨幅超4%。受DeepSeek冲击，英伟达昨日大跌17%，创美股史上最大的单日市值蒸发。
同时，半导体股盘前多数走高。博通涨约4%，台积电、ARM涨逾2%，AMD涨逾1%。
大型科技股盘前普涨。特斯拉涨0.6%，微软、谷歌涨0.5%，Meta涨0.32%。
核电股盘前普涨，Vistra Energy涨超5%，Oklo、Constellation Energy涨逾4%，Ge Vernova涨超3%。
昨日暴涨141%的中概股极光盘前续涨近8%。极光称已在自家人工智能平台上整合了DeepSeek R1。
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