In late April, T-Mobile (TMUS - Get Report) and Sprint (S - Get Report) announced plans to merger and T-Mobile CEO John Legere is confident the deal will receive approval from antitrust regulators, according to TheStreet's founder and Action Alerts PLUS Portfolio Manager Jim Cramer.

T-Mobile added more new customers in its most recent quarter than rivals Verizon (VZ - Get Report) and AT&T (T - Get Report) combined.