This was reported by Todo Noticias on his Twitter page.

“Today I decided to resign from the post of Minister of Finance, which I held since January 2017. I do this because I am convinced that, taking into account the circumstances, your board needs a significant update in the economic sphere, ”says a letter from Dukhovny, which was addressed to President Mauricio Macri.

La renuncia que Nicolás Dujovne le presentó a Mauricio Macri ⬇️ pic.twitter.com/YO8uD1M4n9

- TN - Todo Noticias (@todonoticias) August 17, 2019

On August 12, the index of the Argentinean exchange Merval fell by a record 37.93% - up to 27 529.38 points.