Sept. 9 (UPI) -- Financial markets dealt Argentina a harsh blow after President Javier Milei's coalition suffered a major defeat in midterm elections in Buenos Aires province, the country's largest district. The market reaction to Milei's electoral setback was immediate: the peso fell about 5%, the S&P Merval index dropped more than 10% and several ADRs -- shares of Argentine companies traded in New York -- lost as much as 20% during the day Monday. The "country risk" -- which measures the