The company should be a beneficiary of the "One Big, Beautiful Bill."AT&T (T 0.41%) has quietly been a great-performing stock over the past couple of years, but it has pulled back after the company failed to raise its guidance when it reported its second quarter results. Investors were expecting a hike after rival Verizon Communications did so a couple of days earlier.Let's look at AT&T's results to see if the pullback is a buying opportunity.Strong subscriber growthWhen it comes to wireless subscriber grow ...