(RECAP: Credit standards at large lenders appear to be loosening somewhat, while criteria at small and mid-sized lenders appear to be tightening, according to a new survey from Fannie Mae. Fannie Mae surveyed executives at its lending customers during the first two quarters of this year for its first ever Mortgage Lender Sentiment Survey. Lenders that reported tightening credit standards most often stated “changing regulatory requirements” as the rationale for their stricter standards.)