Fiber weakness and macro challenges could lead to the wireless network operator underperforming, according to KeyBanc.

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.

AT&T and the Department of Justice put their antitrust court proceedings on ice, after a federal judge appeared ready to dismiss AT&T's bid to buy T-Mobile.

AT&T massively reshaped the US mobile industry landscape Sunday with its planned purchase of T-Mobile USA.The stunning $39 billion acquisition will merge AT&T, the second largest wireless carrier ...

I compare AT&T's recent performance with T-Mobile and Verizon, and re-visit my outlook on the 5G opportunity. Read more to find out the results.

AT&T set the U. S. wireless sector in a tizzy when it announced its intent to purchase rival T-Mobile. The merged operation would create the largest wireless carrier in the U. S., and has far ...

AT&T currently has 95.5 million subscribers and T-Mobile has 33.7 million; the combined 129 million would put them well ahead of Verizon, which has around 101 million.