12月20日，美股开盘下跌，截至23时发稿，道指跌0.02%，标普500指数跌0.34%，纳指跌0.74%。诺和诺德跌超20%，其减肥药试验结果不及预期，竞争对手礼来涨超7%。联邦快递涨逾6%，计划将货运部门分拆为一家独立的上市公司。热门中概股多数下跌，名创优品、阿里巴巴、中通快递跌超2%，金山云涨逾5%。万得美国科技七巨头指数成分股普跌万得中概科技龙头指数成分股涨跌不一美国PCE数据公布后，...
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