NEW YORK--(BUSINESS WIRE)--Why: Rosen Law Firm, a global investor rights law firm, announces an investigation of potential securities claims on behalf of shareholders of RCI Hospitality Holdings, Inc. (NASDAQ: RICK) resulting from allegations that RCI Hospitality Holdings may have issued materially misleading business information to the investing public. So What: If you purchased RCI Hospitality Holdings securities you may be entitled to compensation without payment of any out of pocket fees or. ...