Weeks after Xceligent declared bankruptcy and folded, the data company's main rival and chief legal antagonist CoStar Group planted a flag in its hometown of Kansas City, Missouri. On Wednesday, CoStar announced that it had formed a partnership with the Kansas City Regional Association of Realtors. As part of the deal, CoStar will become the "exclusive data, analytics and marketing provider" for the association, it said in a news release. In December 2016, CoStar filed [...]