T-Mobile US, Inc. (TMUS) reported mixed fourth-quarter 2023 results, with the top line beating the Zacks Consensus Estimate but the bottom line missing the same.The Bellevue, WA-based wireless service providers reported a top-line expansion year over year, backed by industry-leading postpaid customer growth with a record low churn rate. T-Mobile continues to boast a leadership position in the 5G market. Its 5G coverage exceeds 330 million people, a greater footprint than AT&T and Verizon combined.Net Income ...