"Too late for competitors to catch up." AT&T, Verizon dominate U.S. market as competition flails

NEW YORK - The wireless industry continues to be one of the most difficult markets to break into and according to a just released report from Moody’s Investors Service in the U.S. A&T and Verizon Wireless hold a commanding lead in the American market, that the ratings service predicts will only widen. "AT&T Mobility and Verizon Wireless have better network coverage, wider capabilities and wider profit margins which gives them a competitive advantage that smaller rivals just can't match," said Mark Stodden, a Moody's analyst and author of the report. "It is too late for competitors to invest and catch up;...