Blackberry CEO: Surprise! We're back with T-Mobile By: CNBC.com News May 07, 2015 at 12:10 PM EDT BlackBerry CEO John Chen dishes on why they're back together with T-Mobile-and if he'll be wearing pink anytime soon! Read More >> Related Stocks: AT&T Inc Atlantic Power Corp Rogers Communications TELUS Corporation Verizon Communications Vodafone Grp Plc ADR