 ARLINGTON, Va.--BUSINESS WIRE--Graham Holdings Company NYSE: GHC today reported net income attributable to common shares of 77.6 million 15.22 per share for the third quarter of 2020, compared to 43.1 million 8.05 per share for the third quarter of 2019. The novel coronavirus COVID-19 pandemic and measures taken to prevent its spread, such as travel restrictions, shelter in place orders and mandatory closures, significantly impacted the Companys results for the first nine months 