Core Viewpoint - T-Mobile's wireless subscriber growth in the fourth quarter fell short of analysts' expectations due to aggressive competition from rivals offering attractive deals and promotions [1] Subscriber Growth - T-Mobile added fewer wireless subscribers in the fourth quarter compared to analyst forecasts, indicating a potential challenge in maintaining market share amidst competitive pressures [1]

Core Viewpoint - Charter Communications reported a decline in fourth-quarter revenue, primarily due to reduced political advertising income and ongoing losses in internet subscribers amid heightened competition from fixed wireless providers [1] Revenue Performance - The company experienced lower fourth-quarter revenue, which was negatively impacted by a decrease in political advertising income [1] - The specific figures for the revenue decline were not provided in the excerpt, but the overall trend indicates a challenging environment for the company [1] Subscriber Trends - Charter Communications continued to see a decline in internet subscribers, reflecting increased competition in the market [1] - The competition from fixed wireless providers is identified as a significant factor contributing to the loss of subscribers [1]