TORONTO – The industry outlook for Canadian wireless carriers remains stable, according to Moody's Investors Service, though the company upgraded its outlook on U.S.-based carriers to ‘positive’ from ‘stable’.Moody's said Wednesday that the pending arrival of new wireless entrants in the Canadian market “is likely to pressure industry operating income growth, limiting it to the low single digits". At the same time, Moody's said that it expects Canadian operators to benefit from many of the trends that support a 'positive' industry outlook in the U.S., particularly the proliferation of powerful new handsets that could increase data revenues, which in turn may offset...