Shares of AT&T Inc. were enjoying a sharp rally Wednesday after the company showed strong subscriber growth while also beating earnings expectations, helping to allay concerns in the wireless industry about the consequences of growth on profits. AT&T T saw 656,000 postpaid phone net additions during the quarter, beating the 645,000 FactSet consensus and bringing its 2022 haul to almost 2.9 million. The company also reported 280,000 net additions for its fiber business. After…
