The secondary market for mortgage servicing rights is starting to look a bit frothy, so much so that many bulk offerings today garner upwards of 12 bidders per auction. A year ago just a handful of investors showed up. But that isn’t deterring Michael Lau, CEO of Pingora Asset Management, who earlier this year raised $500 million to buy MSRs. Lau said Pingora is plowing ahead with its acquisition plans, careful not to overpay while concentrating on “flow” deals on new originations. “We’re actively doing...