NEW YORK, June 25, 2012 (GLOBE NEWSWIRE) -- Synergy Pharmaceuticals Inc. (Nasdaq:SGYP) (Nasdaq:SGYPU) (Nasdaq:SGYPW), a developer of new drugs to treat gastrointestinal disorders and diseases, today announced that Russell Investments has added Synergy Pharmaceuticals to the broad-market Russell 3000® Index, the Russell Global Index and the Russell Microcap Index based on Russell Investments annual reconstitution of its family of U.S. indexes finalized after the close of the U.S. markets on June 22, 2012.