WPP plc Investigated by Block & Leviton LLP For Possible Securities Law Violations

BOSTON, April 3, 2018 /PRNewswire/ -- Block & Leviton LLP (www.blockesq.com), a securities litigation firm representing investors nationwide, is investigating whether WPP plc ("WPP" or the "Company") (NYSE: WPP) and certain of its officers and directors violated federal securities...