Standard & Poor's lowered the credit ratings for AT&T and Verizon Communications on Monday, saying that increased competition will make it harder for the two largest phone companies to pay down their long-term debt. Continue reading S&P Cuts Credit Ratings for AT&T and Verizon S&P Cuts Credit Ratings for AT&T and Verizon originally appeared on DailyFinance on Mon, 06 Dec 2010 19:00:00. Filed Under: Company News , Earnings , AT&T , Verizon , Credit Permalink | Tweet this! | Comments