UPDATED, Nov. 25, 9:45 p.m.: Developer Michael Stern closed on an assemblage of properties in Miami’s Brickell neighborhood where he plans to build a 62-story tower, The Real Deal has learned. Stern, who leads New York-based JDS Development Group, paid $9 million for property at 191 Southwest 12th Street. The seller is a company tied to John Polit. Stern also bought adjacent land from Choice Hotels for $14.5 million. Stern will demolish the existing building