每经AI快讯,9月28日,美股开盘集体低开,道指跌0.65%,纳指跌0.46%,标普500指数跌0.42%。英伟达涨近2%,公司宣布将股票回购授权增加1500亿美元。Meta跌超0.9%,OpenAI据悉正加紧准备,即将推出一款名为"o"的常驻AI助手。SpaceX小幅高开,星舰首次实施入轨点火并成功进入地球轨道。
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