A total of 487 exhibitors were present at the 16th edition of the biennial trade show Labelexpo, which was the largest in its history, according to the organizer.   Nearly 30% of the exhibitors on the 203,642-square-foot floor at the Donald E. Stephens Convention Center in Chicago were new to this year’s show, which ran Sept. 25-27.  By the end of day three, the show organizer reported an 83% rebook rate for its 2020 event. The show’s organizer reported a total of 16,413 attendees...