Mortgage banking income fell sharply in the third quarter and the compliance outlook remained murky, but banks reported a huge improvement in loan buybacks, according to a new Inside Mortgage Trends analysis of call-report data. Banks and thrifts repurchased or provided other indemnification totaling $1.998 billion during the third quarter, the lowest quarterly amount for the industry in five years. Banks first began reporting repurchase data in their call reports ... [Includes one data chart]