美股今日：道瓊指數暴跌500點，那斯達克跌逾2.5%，AI燒錢疑慮引發科技股拋售
· economictimes.indiatimes.com
美國股市週五重挫，英特爾與亞馬遜的財報令人失望，重新引發市場對人工智慧支出持續攀升以及回報不確定性的擔憂。那斯達克指數創下自6月5日以來最大單日百分比跌幅。科技股領跌，標普500指數與那斯達克指數10月均收黑。
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