Electric vehicle (EV) part manufacturer Aptiv PLC (NYSE:APTV) stock is dropping to four-year lows today, down 8.3% at 67.25atlastglance,afterPiperSandlerdowngradedthestockto"underweight"from"neutral."Thefirmalsoaddedinaprice−targetcutto63 from 78,citingriskfromtheRivian−Volkswagenventure.Morespecifically,EVname RivianAutomotive(RIVN)securedupto5 billion in funding from Volkswagen Group, putting pressure on its sector peers and sending RIVN up 30% at last look. Head ...