 NEW YORK, Feb. 03, 2021 GLOBE NEWSWIRE -- Bragar Eagel Squire, P.C., a nationally recognized stockholder rights law firm, has launched an investigation into whether the board members of GW Pharmaceuticals plc NASDAQ: GWPH breached their fiduciary duties or violated the federal securities laws in connection with the companys acquisition by Jazz Pharmaceuticals plc NASDAQ: JAZZ. 