News/Reuters/NHC Announces 3.4% Increase In Common DividendNHC Announces 3.4% Increase In Common DividendMay 9, 202420:25 UTCNHCNational Healthcare Corp NHC:NHC ANNOUNCES 3.4% INCREASE IN COMMON DIVIDENDNATIONAL HEALTHCARE CORP - QUARTERLY DIVIDEND OF 61 CENTS PER COMMON SHARE