Issuance of prime non-agency mortgage-backed securities cooled off somewhat in the second quarter of 2017 after a relatively strong showing in the previous period. Three deals totaling $1.88 billion were issued in the second quarter, a 27.6 percent drop from the first three months of the year, according to Inside Nonconforming Markets. However, activity in the first half of this year outpaced the first half of 2016, as the dollar volume of issuance was ... [Includes one data chart]