buenos air candidates ally argentine president mauricio macri enjoy sweep victories sunday mid-term election strengthen position congress dim prospect political comeback predecessor cristina fernandez free-spending populist nearly bankrupt country 2007-2015 rule fernandez come distant second race senate represent buenos air argentina populous province 98 percent ballot count interior ministry macri former education minister esteban bullrich 41.34 percent versus 37.27 percent fernandez province home nearly 40 percent argentine voters macri cambiemos let change coalition top five population center buenos air city buenos air cordoba santa fe mendoza provinces single party five mid-term vote since 1985. today change elect 2015 consolidate vice president gabriela michetti tell voters election result largely line pre-vote opinion poll rob opposition two-thirds majority need block presidential veto say ignacio labaqui local analyst new york-based consultancy medley global advisors significant boost macri administration particularly defeat cristina buenos air province labaqui say fernandez second-place show still grant one province three senate seat argentina list system one third senate half house elect macri coalition majority private sector worry political resurgence fernandez love millions low-income argentines help generous social spend administrations fernandez thank voters campaign headquarter say citizen unity party would remain firm opposition macri economic model critics say fernandez growth-at-all-costs policies stoke inflation distort economy heavy-handed currency control isolate politically graft accusations fernandez senator immunity arrest trial say may corruption government deny personal wrongdoing bullrich fernandez tie non-binding primary august bullrich pull ahead poll soon help burst economic growth fernandez fail unify peronist opposition behind people confident future economy make investments tire corruption populism say cecilia de francesca 50-year-old writer celebrate cambiemos campaign headquarter argentina merval stock index peso currency strengthen bet fernandez would get enough support launch serious bid presidency 2019. investors particularly argentina vast agriculture bud shale oil sectors say want see macri push labor tax reform aim low business cost latin america third-biggest economy macri 's coalition sweep argentina 's mid-term vote