Reuters 1/2 An AMC theatre is pictured amid the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., January 27, 2021. REUTERS/Carlo Allegri Read More July 21 (Reuters) - Theater operator AMC Entertainment Holdings Inc (AMC.N) on Wednesday named Chief Executive Officer Adam Aron as chairman, at a time when investors are pushing companies to separate the two roles to keep a check on management. Aron has served as CEO, president and member of AMC's board since 2016, having led the company to become the largest cinema operator in the world and maintain its liquidity when the pandemic hammered its business.