T-Mobile CEO John Legere Calls Out Competitors. Again. By: Benzinga via Benzinga October 26, 2015 at 12:14 PM EDT Shares of T-Mobile US Inc (NYSE: TMUS) have gained more than 50 percent year-to-date. T-Mobile's eccentric and ... Read More >> Related Stocks: AT&T Inc Bio-Techne Corp Verizon Communications