Year-over-year asking rent growth for retail properties was up 2% in the second quarter but rose a scant 0.1% in the past three months, signaling rent growth was losing momentum. Asking rent growth was up 1.5% year over year in the second quarter, but up just 0.1% in the second quarter. The Sun Belt, which saw a major increase in multifamily properties during the past three years, was singled out as a region experiencing limited rent growth.