President Macri has enjoyed good news in recent weeks and gained some vital political capital for an upcoming reform push - a major challenge.
Mexico's central bank rolled out a new round of dollar auctions to stabilize the peso. Meanwhile, retail sales slipped in August, though a quake-related rebound is expected for September.
Henrique Meirelles says scrapping the scheme could be an option if congress fails to approval a pension reform bill.
The platform will simplify tax payments and streamline customs procedures.
A Moody's analyst said El Salvador could right its course towards higher credit ratings if its major political parties can work together to pass a 2018 budget with fiscal clarity.