T-Mobile Upgraded to Investment Grade by Fitch and to Ba1 by Moody’s by Amruth Sundarkumar | Aug 9, 2021 | Corporates, Credit RatingsT-Mobile has been upgraded by a notch by both Fitch and Moody’s due to its improved credit profile. The American wireless network operator has been upgraded to investment grade, BBB- from BB+ by Fitch and to Ba1 from Ba2 by Moody’s. The company’s...