(Image source: theverge.com) T-Mobile US Inc (NYSE:TMUS) shares are surging in the early session of trading after the wireless carrier revealed that it added 1.3 million new subscribers in the first quarter of 2014. The current quarter addition of new subscribers was substantially higher than the rest of the industry. In addition, Bloomberg is reporting that Sprint Corporation (NYSE:S) is meeting with serve banks to discuss a takeover bid for T-Mobile.