The Mortgage Bankers Association today released it's survey on mortgage application activity for the week ending April 24th. The index, which measures both purchase and refinance volume as reported by mortgage bankers, commercial banks, and thrifts, fell from 1170.2 to 960.6 which is a decrease of 18.1%. The year over year decrease stands at 62.7% Refinance transactions, down 21.9% to 5108.2 versus 6540.7 a week earlier, accounted for a majority of the drop. The purchase indeces were down as...