Subprime mortgage servicers didn’t reap much benefit from a solid growth in the origination market during the first half of the year. Perhaps more troubling for servicers, though, are the chinks that are starting to appear in their loan performance numbers. According to data compiled by Inside B&C Lending, the volume of subprime mortgages outstanding grew by 4.2 percent, to $1.25 trillion, in the second quarter. From the first quarter, volume was up by a tepid 0.8 percent...