北京时间12月19日晚，美股三大指数收盘涨跌不一，纳指跌0.1%，标普500指数跌0.09%，道指涨0.04%终结10连跌。大型科技股涨跌不一，英伟达、奈飞、亚马逊涨超1%，谷歌、苹果小幅上涨；英特尔跌超1%，特斯拉、微软、Meta小幅下跌。芯片巨头美光科技跌超16%，总市值蒸发187.2亿美元（约合人民币1366亿元）。美光科技是国际第三大半导体存储器公司，主要提供高性能DRAM（动态随机存取...
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