NEW YORK--(BUSINESS WIRE)--The ONE Group Hospitality, Inc. (“The ONE Group”) (OTCQB:STKS), today announced that a second European STK location will open May 11, 2015 at the new ME Milan Il Duca hotel. The ME brand will also see its second “Radio” Rooftop Restaurant and Bar open at ME Milan, following a successful two years at ME London – both locations operated by The ONE Group. “We are thrilled to further expand into the European market with the opening of STK Milan, as well as continue to bui