Stock Exchange closes on worst day since 2020 but Trump insists stocks will 'boom'The New York stock exchange has closed on its worst day of trading since June 2020 – during the early months of the Covid-19 pandemic.The main indices saw their worst one-day falls in five years as Donald Trump claimed that “the markets are going to boom” in response to his sweeping tariffs.The S&P 500 index is down 4.9% at the关闭的路线旗是自2020年6月以来最大的一日下降。道琼斯指数也发布了自2020年6月以来最大的一日跌幅，下降了4％，纳斯达克股票下跌了5.9％，是自2020年3月以来最糟糕的单日表现。自卖出的规模。特朗普在周四早些时候向记者讲话的经济衰退提出了一个问题。总统说：我认为情况很好。这是一个类似于患者进行操作的操作，这是一件大事。我说这正是这样……我们从未见过类似的东西。市场将蓬勃发展。股票将繁荣起来。该国将繁荣。