DouYuInternationalHoldingsLimitedReportsSecondQuarter2019UnauditedFinancialResultsWUHAN,China,August13,2019/PRNewswire/--DouYuInternationalHoldingsLimited(DouYuortheCompany)(Nasdaq:DOYU),aleadinggame-centriclivestreamingplatforminChinaandapioneerintheeSportsvaluechain,todayannounceditsunauditedfinan