NEW YORK--(BUSINESS WIRE)--Fitch Ratings has today affirmed Banco de Bogota S.A.'s (Bogota) Viability Rating (VR) at 'bbb+' and Issuer Default Rating (IDR) at 'BBB+'. Fitch has also affirmed the following ratings: --Grupo Aval Acciones y Valores S.A. (Grupo Aval) IDR at 'BBB'; --Banco de Occidente S.A. VR at 'bbb'; IDR at 'BBB'; and --Corporacion Financiera Colombiana S.A. (Corficolombiana) IDR at 'BBB+'. The Rating Outlooks are Stable. A full list of rating actions follows at the end of this r