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.

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

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 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 ...

"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 ...

T-Mobile (TMUS) dialed up a big second quarter against the backdrop of heightened competition for new customers with rivals Verizon (VZ) and AT&T (T). The telecom giant easily beat analyst estimates ...

After the AT&T and T-Mobile merger news broke, one of the first concerns many T-Mobile customers had was with pricing plans. (Posted in Dialed In by Nicole Lee) March 20, 2011 9:51 p.m. PT ...

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.

AT&T (and Verizon) are betting that AST SpaceMobile will be able to do battle against SpaceX's cellular Starlink service, ...

T-Mobile (TMUS-0.67%) isn't just attracting hundreds of thousands of customers each quarter -- it's making sure they stick around, too.. The wireless carrier saw a record-low postpaid subscriber ...