Real estate brokerage and franchise giant Realogy Holdings Corp. said transaction volume (the change in median homesale price plus the change in the number of existing homesales) was up 14 percent from a year ago during the first three months of the year, and projected continued growth of up to 17 percent for the second quarter. Realogy said its company-owned brokerage, NRT, expanded into two new market by completing three “tuck-in” acquisitions in Florida in late March and early April. Source: Realogy.