12月15日，美股三大指数集体高开，道指涨0.31%，纳指涨0.58%，标普500指数涨0.47%。
存储概念股普涨，Sandisk涨超3%，美光科技涨逾2%，西部数据、希捷科技涨超1%；
特斯拉涨超2%，无安全员、无乘员，特斯拉在奥斯汀启动Robotaxi无人驾驶测试；
英伟达涨超1%，发布新版开源AI模型，宣称“更快、更便宜、更智能”；
扫地机器人制造商iRobot开盘暴跌69%，此前其已宣布申请破产。
12月15日，美股三大指数集体高开，道指涨0.31%，纳指涨0.58%，标普500指数涨0.47%。
存储概念股普涨，Sandisk涨超3%，美光科技涨逾2%，西部数据、希捷科技涨超1%；
特斯拉涨超2%，无安全员、无乘员，特斯拉在奥斯汀启动Robotaxi无人驾驶测试；
英伟达涨超1%，发布新版开源AI模型，宣称“更快、更便宜、更智能”；
扫地机器人制造商iRobot开盘暴跌69%，此前其已宣布申请破产。
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