道指采用价格加权方法，意味着高价股的价格变动对指数的影响大于低价股，隔夜最大权重股联合健康暴跌18%，拖累道指跌1.2%，而标普500指数同时上涨高达0.6%。媒体汇编数据显示，道指下跌1%或更多而标普同时上涨至少0.5%的情况，自1954年以来仅发生过一次。道琼斯与标普500出现历史性背离。周四，道指下跌1.2%，而标普500指数同时上涨高达0.6%。这种情况极为罕见——媒体汇编数据显示，道指...
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