Odaily星球日报讯 美股开盘三大股指普跌，道指跌 0.8%，标普 500 指数跌 2.2%，纳指跌 3.6%。DeepSeek 引发芯片股估值担忧，半导体股大幅下挫，英伟达大跌 12%，市值蒸发 4650 亿美元，Coinbase 跌幅 5.5%，MicroStrategy 跌幅超 4%。（金十）
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