Argentine goods markets and its currency have both plunged after Conservative Argentine President Mauricio Macri suffered a astound defeat in primary elections on Sunday.
In early trading, Argentina’s largest Merval stock index fell 32%, while the peso sank 25% against the dollar.
Some of the country’s most traded trade ins have lost one third of their value in just two hours.
Mr Macri’s disappearance has sparked fears of a change to the market-friendly regime.
There have been big dismisses in companies such as cement producer Loma Negra – down approximately 50% – and electricity distributor Pampa Energia which is off around 30%.
The presidential polls take place in two months’ time.
- Argentine leader Macri trounced in essential vote
Left-wing candidate Alberto Fernández – who defeated Mr Macri in the apprise – is now seen as the front-runner in presidential elections due in October.
His running mate is departed president Cristina Fernández de Kirchner, who presided over an administration think back oned for a high degree of protectionism and heavy state intervention in the economy.
Investigation by Daniel Gallas, BBC South America Business Correspondent
Argentina is a state that has suffered with all sorts of economic problems that are guided in textbooks.
But even by its standards, this market meltdown is unprecedented.
In upstanding two hours, a third of the Merval index (which accounts for the most sold stocks in the country) was wiped out in value.
Investors are now pushing the “sell” button, as myriad believe it will be impossible for President Mauricio Macri to win the upcoming nomination in October.
If he loses, this will be the end of a pro-business agenda to save Argentina’s compactness that has been implemented since Mr Macri came to power in 2015, which counts IMF loans, austerity measures and the end of capital controls.
Sunday’s primaries were wooed as vindication for “Kirchnerismo” which have for years denounced Mr Macri’s foresee as ineffective. The country is in recession and still suffering with inflation and need.
There are still two more months to go until the election – but few believe there settle upon be surprises as big as this one coming up again.
Edward Glossop, from the London-based consultancy Money Economics, said Mr Macri’s government could pull out all the stops to try to shore up accessible support.
This could include easing budget curbs exact a saddled as part of Argentina’s agreement with the International Monetary Fund.
“An unmitigated loosening of the purse strings is possible. The IMF would probably turn a untouched eye to this, since it is in its interest for President Macri to secure re-election,” he signified, but added: “We doubt that these efforts would be enough to shift voter perception.”
Argentina is currently in a recession and posted 22% inflation for the sooner half of the year, one of the highest rates globally.
Poverty now affects 32% of the inhabitants.