Tech companies dominate Fortune 500#标题分割#Technologycompaniesdominatedthisyear'sFortune500listreleasedonMonday,withApple,Amazon,Alphabet,Microsoft,andIBM,amongothers,allinthetop50.Appledroppedfromlastyear'sNo.3tothefourthplacedespitea6percentgaininannualsales,butitledthewayinprofitswithmorethan48billionU.S.dollarsinnetincome,accordingtothelist.Amazoncrackedthetop10forthefirsttime,continuingitsremarkablegrowthrun:Saleshavejumpedsome70billiondollarsintwoyears.Amazon'senormitystemsfromitsroleasthelargestU.S.digitalretailer,thefastest-growingpartofthemarket.Sharesofthecompanyrose0.35percenttotradeat1,579.91dollarsapieceinearlytradingonMonday.Apple,Alphabet,Microsoft,andAmazonwerethetopfourinmarketvalueasofMarch29thisyear,accordingtothelist.TheyarefollowedbyBerkshireHathaway,Facebook,andJPMorganChase.Fortunerankstheworld'stopcompaniesbyrevenueeachyearand2018marksthe64thrunningofthelist.Thisyear'sFortune500companiesrepresenttwo-thirdsoftheU.S.GDPwith12.8trilliondollarsinrevenues,1.0trilliondollarsinprofits,21.6trilliondollarsinmarketvalue,andemploy28.2millionpeopleworldwide.Walmart,ExxonMobil,BerkshireHathaway,Apple,UnitedHealthGroup,McKesson,CVSHealth,Amazon,ATT,andGeneralMotorsmadethetop10thisyear.Amongthem,ExxonMobilandGeneralMotorshavebeenonthelisteveryyearsinceitstartedin1955.