Traders are seen at the Stock Exchange in Buenos Aires on August 12, 2019. - The Buenos Aires stock exchange plunged 10 percent at the start of operations on Monday following liberal President Mauricio Macri's crushing defeat in party primaries over the weekend. Markets reacted with jitters to Macri's massive re-election blow as the peso also went into free fall against the dollar, dropping from 46.55 on Friday to 60. (Photo by RONALDO SCHEMIDT / AFP) (Photo credit should read RONALDO SCHEMIDT/AFP/Getty Images)