3月19日（周四），道琼斯指数开盘下跌420.10点，跌幅0.91%，报45805.05点；标普500指数开盘下跌58.66点，跌幅0.89%，报6566.05点；纳斯达克综合指数开盘下跌272.26点，跌幅1.23%，报21880.16点。
阿里巴巴 跌近9%。第三财季营收低于预期，受即时零售投入影响，营业利润同比大降74%，非GAAP净利润同比下滑67%。
美光科技 跌近8%，第二财季营收增近两倍，指引大超预期，但高额支出计划引担忧。同时，存储概念普跌， 闪迪跌超6%，西部数据跌超4%，希捷科技跌超3%。
特斯拉 跌2.6%。美国监管部门对约320万辆配备FSD的特斯拉车辆展开调查，涉及检测功能失效问题。
Rivian Automotive, Inc. 涨超7%。Uber将向Rivian投资至多12.5亿美元，同时，计划采购1万辆全自动驾驶机器人出租车。
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