Sprint surges 73% after its megamerger with T-Mobile gets the go-ahead

Sprint stock rocketed more than 70% on Tuesday.
The rally came after a federal judge approved Sprint's megamerger with T-Mobile.
The two mobile carriers had agreed in April 2018 to merge, but authorities worried the deal would reduce competition and raise prices.
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Sprint stock rocketed more than 70% on Tuesday after a federal judge approved the company's proposed megamerger with T-Mobile.
America's third- and fourth-larg