12月16日，美股三大股指期货齐跌，截止发稿，道指期货跌0.18%，纳指期货跌0.57%，标普500指数期货跌0.36%。
太空概念股普跌，Destiny Tech100跌近9%、AST SpaceMobile、Rocket Lab跌近3%；
机器人概念股iRobot续跌超22%，该股昨日暴跌逾70%！此前该公司宣布申请破产重组，将被中国制造商收购并私有化；
B. Riley涨超29%，向SEC补交10-Q季度报告，第二季度营收大增且扭亏为盈；
Luminar跌超6%，该公司申请破产保护，同步出售半导体子公司；
小鹏汽车涨超1%，获得L3级自动驾驶道路测试牌照，并启动常态化的L3道路测试。
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