AT&T's $39 billion deal to buy T-Mobile ... officials told reporters on a conference call that in 99 out the top 100 markets in the U.S. a merger between AT&T and T-Mobile would harm competition.

"Had AT&T acquired T-Mobile, consumers in the wireless marketplace would have faced higher prices and reduced innovation. We sued to protect consumers who rely on competition in this important ...

AT&T further argues that acquiring T-Mobile won’t impact competition in the U.S. mobile industry because T-Mobile isn’t capable of competing in the first place.

The telecom giant easily beat analyst estimates on Wednesday after market close. It gained the most net new customers in the ...

The Justice Department filed suit in federal court Wednesday to block AT&T’s $39 billion acquisition of T-Mobile USA. In an antitrust filing, Justice said the merger of the two companies would ...

T-Mobile US CEO Mike Sievert yesterday fired back at AT&T and Verizon, saying the carriers' complaints about T-Mobile obtaining more spectrum licenses show that they are afraid of competition.

Thus, when investors think of T-Mobile's competition, the first companies that come to mind are probably AT&T (NYSE: T), Verizon (NYSE: VZ), and Sprint (NYSE: S). But in the press release ...

That said, T-Mobile's selling, general, and administrative (SG&A) expenses are still far lower than AT&T or Verizon's, although CFO Peter Osvaldik noted, "We have more S in SG&A than the ...