Egan-Jones downgrades U.S. rating to AA+ from AAA -Small ratings agency unlikely to have market-moving implications, but comes amid possible downgrades from larger ratings agencies. -Egan-Jones cites rising debt-to-GDP ratio for downgrade rather than delay in raising the debt ceiling. By Andrew Ackerman and Mark Taylor Of DOW JONES NEWSWIRES WASHINGTON -(Dow Jones)- Egan-Jones Ratings Co. over the weekend lowered its rating on U.S. debt, the ratings firm's president, Sean Egan, announced Monday.