$SPEX - Spherix Files Mixed-Securities Shelf For Up to $30 Million >SPEX Sep 15, 2014 17:24:00 (ET) (MORE TO FOLLOW) Dow Jones Newswires (212-416-2800) September 15, 2014 17:24 ET (21:24 GMT) Copyright (c) 2014 Dow Jones & Company, Inc.