The consolidated UnitedHealth Group has a very strong business profile and strong financial risk profile. We are revising our outlook on UnitedHealth to positive from stable and affirming our ratings on it and its core operating companies. The positive outlook reflects our expectation that UnitedHealth will preserve and enhance its leading market positions and pricing flexibility. NEW YORK (Standard&Poor's) Oct. 10, 2013--Standard&Poor's Ratings Services said today that it revised its outlook on UnitedHealth Group Inc. (NYSE:UNH) to positive from stable and affirmed its 'A' long-term counterparty credit rating on the company. At the same time, we affirmed our 'AA-' long-term counterparty credit and financial strength ratings on UnitedHealth's core operating companies (see list). UnitedHealth's business and