Apartment sales across the Twin Cities surpassed the $1 billion mark in 2015, breaking an all-time record and helping lead the commercial real estate market to one of its strongest years in the last decade, according to Cushman & Wakefield/NorthMarq's latest Compass report. Combined sales of office, industrial and retail buildings exceeded $3.4 billion last year, ... Enter your user name and password in the fields above to gain access to the subscriber content on this site.