A number of lenders in July stopped offering mortgages with characteristics outside of those allowed for qualified mortgages, according to the Mortgage Bankers Association. The MBA said credit availability declined in August after four months of loosening. The slight decline in the Mortgage Credit Availability Index in August reflected a reduction in the availability of certain loan features, particularly interest-only and terms exceeding 30 years, said Mike Fratantoni, the MBAs vice president of research and economics. As these loan features are outside of the QM definition, these changes may reflect the beginning of QM implementation, and the fact that Fannie Mae and Freddie Mac are limited to acquiring loans that meet the QM definition. The MCAI is...