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美股本周承压:AI支出、油价与芯片股剧烈波动

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2026-07-26 01:17:59
美股本周走弱,纳指在7月19日至7月25日累计下跌约2%,标普500跌0.6%,道指跌0.4%,科技股承压最重。 据 BeInCrypto 报道,特斯拉和Alphabet财报引发科技板块抛售,前者因过去两年多来首次出现负自由现金流而跌14.5%,后者因将2026年资本支出预期上调至约2000亿美元而跌7%。

布伦特原油升破每桶100美元,因美伊紧张关系加剧供应中断担忧,带动美债收益率上行并重燃通胀忧虑。芯片股则在AI需求与支出担忧之间剧烈震荡,费城半导体指数周二一度涨逾5%,周五又跌4.5%;美光、西部数据和Sandisk盘中均录得两位数涨幅,超微电脑在公布逾600亿美元新订单后大涨近20%,英特尔则在更强指引下仍跌近8%。
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