The bid price for “flow” mortgage servicing rights is beginning to soften, having fallen from the peaks seen in the summer of 2014, according to both investors and certain advisors running the deals. But if a buyer of flow product is looking for bargains, it’s not likely to happen anytime soon. In other words, prices have drifted down, but are hardly cheap. In fact, a handful of sources contend that Nationstar Mortgage – one of the most active flow buyers of the past year – has ceased...