T-Mobile Shares Jump on Strong Subscriber Growth, Outlook

T-Mobile US Inc. shares gained the most in six months after the nation’s second-largest wireless provider reported a strong increase in new subscribers, overcoming a sluggish start to the year.

The Bellevue, Washington-based carrier snagged 830,000 new monthly phone customers, according to a statement on Wednesday, above Wall Street projections for 714,000 additions.