UPDATE 1-Brazil's Caixa mulls revising loan book growth guidance
August 27, 2015 at 13:36 PM EDT
SAO PAULO, Aug 27 (Reuters) - State-controlled Caixa Econômica Federal, Brazil's top mortgage lender, may revise loan book growth estimates for this year as a steep economic downturn and rising unemployment are hampering demand for new credit, Chief Financial Officer Márcio Percival said on Thursday.
