AT&T is still big and rich, but the smartphone surge is slowing down and Ma Bell has a pack of starving rivals nipping at its heels.
Verizon has one huge catalyst ready for 2014, but it also faces intense new competition. Will Verizon's shares sink or soar as these dueling factors play out?
Does this analyst make a good case? Or is it just more noise from Wall Street?
iPhones have been a driving force in T-Mobile's recent growth, but the company needs more than cheaper-than-average iPhone plans to beat its rivals -- it needs to increase average revenue per user.
All of this news from tech's biggest movers and shakers, including Google, Apple, Intel, Microsoft, and Facebook.
Google's new Nexus 5 sports LTE and Android 4.4 KitKat.
Examining earnings reports and rumors for LinkedIn, Sprint, Cirrus Logic, Baidu, and Apple.
Sprint's third-quarter results are solid, but investors may be focusing too hard on the positives.
AT&T is not known for its risk-taking, innovative ways. Ma Bell just joined the unlimited talk party line, years behind everyone else.
T-Mobile's offering tablet users data for free -- for life. What should investors of T-Mobile, AT&T, Verizon, and Sprint think about this bold move? Should dividend monsters AT&T and Verizon be on notice?