人工智能概念股美股盘初涨跌各异 LivePerson跌3.4%,BigBear.ai跌2.6%,特斯拉跌2.1%,阿里巴巴ADR跌1.5%,百度和C3.ai至少跌1.2%,谷歌A跌0.8%,英伟达跌0.6%,Meta和英特尔则涨超0.8%,Salesforce涨0.9%,Reddit涨1.3%,Astera涨2.2%,Guardforce AI涨超2.4%。