Fannie Mae and Freddie Mac issued a combined $65.85 billion of single-family mortgage-backed securities last month, a 1.0 percent decline from their June total, according to an Inside The GSEs analysis of MBS data. Compared to the first seven months of 2017, the GSE single-family business was down 7.4 percent as of the end of July. Most of the month-to-month slump was at Freddie, where MBS production fell 8.9 percent from June. Fannie managed a 5.0 percent increase in July. Both GSEs are off about the same on a year-to-date basis. [Includes two data charts.]