Berger Montague PC Investigating Claims on Behalf of ChampionX Corporation (NASDAQ: CHX) Investors After Class Action Filing

PHILADELPHIA, May 22, 2026 /PRNewswire/ -- National plaintiffs' law firm Berger Montague PC announces a class action lawsuit against ChampionX Corporation (NASDAQ: CHX) ("ChampionX" or the "Company") on behalf of investors who sold ChampionX common stock during the period from February...