Is It Time to Buy AT&T Ahead of a Big Buyback?

While much of the investing world has been focused on artificial intelligence, one under-the-radar stock winner over the past year has been AT&T (T -0.08%). Shares of the telecom giant are up by more than a third in the past 12 months. The stock got another boost after the company posted solid fourth-quarter results and indicated it would implement a big buyback.Let's take a closer look at AT&T's Q4 results to see if the stock is still a buy.Solid subscriber growth and a big buyback aheadAT&T continues to s ...