Vertiv (VRT) Alert: Johnson Fistel, Globally-Recognized Law Firm, encourages Long Term Shareholders to Contact the Firm for More Information SAN DIEGO, June 06, 2022 (GLOBE NEWSWIRE) -- Johnson Fistel, LLP is investigating potential claims on behalf of Vertiv Holdings Co (“Vertiv” or the “Company”) (NYSE: VRT) against certain of its...