From the end of 2023 through Jan. 28, shares of AT&T (NYSE: T) rose 48%. About a year ago, shares of AT&T were offering a yield above 6%, but price appreciation has lowered that figure considerably.

Boost Mobile has shed the label of being a pure MVNO (mobile virtual network operator) by creating its own 5G network. While it uses the networks of T-Mobile and AT&T for some coverage outside its ...