Key Takeaways AT&T posts subscriber and fiber gains, expanding 5G capacity through Echo Star spectrum integration. Comcast faces revenue pressure in Residential Connectivity & Platforms despite broadband strength.T benefits from 5G build-out, fiber additions and AI tools aimed at boosting user experience and efficiency.AT&T Inc. (T) and Comcast Corporation (CMCSA) are prominent players in the telecommunications sector. There are multiple factors that are driving growth in the U.S. telecom market. 5G adoptio ...