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美股迎季节性最弱期，极端悲观情绪或限制回调
Stocks face their weakest seasonal stretch. Why extreme investor pessimism could limit any selling.
U.S. stocks are entering what has historically been the weakest stretch of the year, but unusually bearish investor sentiment could help limit any pullback, according to Ned Davis Research.
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看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力