What T-Mobile US Bears Saw Before The Fall

T-Mobile US spent the year in the headlines, from Starlink's spectrum grabs to merger talk around its parent, but the share price told a different story. For T-Mobile US shareholders, the loss over the past year was 32.0%, including dividends. If you had bought on 26 October 2025, expecting 5G leadership, fiber expansion and rising margins to be rewarded, what did that original thesis miss about competitive risk and capital intensity? The easy part of this move is behind T-Mobile US. Zero in on 29 high quality undervalued stocks for companies trading below our estimates.