美股10月30日收盘重挫：道指跌572点，纳指跌2.86%创6月来最差单日，英特尔暴跌28.58%
美国股市10月30日收盘大幅下跌，科技股领跌。据美联社、路透社等收盘报道，道琼斯工业平均指数下跌572.25点、跌幅1.09%，收于51770.31点；标准普尔500指数下跌140.32点、跌幅1.82%，收于7580.07点；纳斯达克综合指数下跌747.72点、跌幅2.86%，收于25437点，为6月以来最差单日表现。纳斯达克100指数当日下跌3.46%，较10月6日的高点回落逾10%，进入技术性修正区间。
拖累市场的主要因素是芯片股：英特尔在发布低于预期的四季度展望后大跌28.58%，收于65.76美元，为该公司自上世纪70年代以来最差单日表现，并引发半导体板块整体抛售；社交平台 Reddit 当日也下跌近29%。
全月来看，纳斯达克指数10月累计下跌约5.3%，为2025年3月以来最差单月；标准普尔500指数10月小幅下跌约0.9%，道指10月上涨约1.7%。市场分析把本轮调整归因于投资者重新评估超级智能（SI）基础设施支出的回报，半导体与硬件板块首当其冲。
U.S. Stocks Tumble at October 30 Close: Dow Falls 572 Points, Nasdaq Drops 2.86% in Worst Day Since June as Intel Plunges 28.58%
U.S. stocks closed sharply lower on October 30, led by technology shares. The Dow Jones Industrial Average fell 572.25 points, or 1.09%, to 51,770.31; the S&P 500 lost 140.32 points, or 1.82%, to 7,580.07; and the Nasdaq Composite dropped 747.72 points, or 2.86%, to 25,437.00 — its worst single day since June, according to Associated Press and Reuters closing reports. The Nasdaq 100 fell 3.46% on the day and slipped into correction territory, down more than 10% from its October 6 high.
Chip stocks drove the selloff. Intel plunged 28.58% to $65.76 after issuing a weaker-than-expected fourth-quarter outlook — its worst single day since the 1970s — triggering a broad semiconductor selloff. Social platform Reddit also fell nearly 29%.
For October as a whole, the Nasdaq fell about 5.3%, its worst month since March 2025; the S&P 500 slipped about 0.9% while the Dow gained about 1.7%. Analysts attributed the pullback to investors reassessing the returns on super intelligence (SI) infrastructure spending, with semiconductor and hardware shares hit hardest.
来源：GSM·美国（原文链接）
图片来源：图：纽约证券交易所大楼（资料图）。照片：颐园居，CC BY-SA 4.0，经 Wikimedia Commons。 | The New York Stock Exchange building (file photo). Photo by Yiyuanju, CC BY-SA 4.0, via Wikimedia Commons.
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