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Microsoft Corp. made market history on Thursday, adding nearly half a trillion dollars to its value, the most by any stock in a single day.
Shares of the Redmond, Washington-based company soared 16%, their biggest gain since October 2008, to add roughly $450 billion to its market capitalization. The move eclipses Nvidia Corp.’s $440 billion addition, following President Donald Trump’s announcement of a 90-day tariff pause last year, as the biggest ever, according to data compiled by Bloomberg.