Click to view a price quote on SBUX. : GTT Communications  (GTT) - Get Report shares jumped Friday after the telecom carrier said it agreed to sell its fiber and data center infrastructure division to private equity firm I Squared Capital for up to $2.15 billion. Its shares at last check jumped to $5.39, up 7.6%. They have dropped 50% year to date amid stiff competition in the telecom industry. The $2.15 billion sale price includes a cash payment of $2.02 billion at closing and total deferred payments of up to $130 million based on certain financial results.