Mortgage Bankers Association (MBA)

Increase came as mortgage rates decreased for the second week in a row.

Only one-in-four companies were profitable for the quarter.

MBA says it's a seasonal pickup.

Industry experts say GSEs should abandon the DTI fees move.

Volume buoyed by drop in interest rates; some hesitancy due to banking concerns.

This month's credit availability decreased to its lowest level since January 2013.