NEW YORK (Standard&Poor's) Nov. 26, 2008--Standard&Poor's Ratings Services said today that it revised its outlook on CB Richard Ellis Services Inc. (CBRE; BB+) to negative from stable. "We took this action to reflect modest weakening in CBRE's financial profile and our concern about potential further deterioration as the result of the mounting cyclical downturn in global commercial real estate (CRE) markets," said Standard&Poor's credit analyst Robert B. Hoban, Jr. CBRE is the main operating subsidiary of CB Richard Ellis Group Inc., the recognized leader in the CRE sales and services industry, with annual revenue in excess of $6 billion. Our rating on CBRE continues to reflect the company's position as the world's largest CRE