Brazilian assets saw volatility spike as traders rushed to assess the endgame of President Donald Trump’s threat to impose 50% tariffs on all goods from the South American nation.

Tarcísio de Freitas, governor of São Paulo state and a former infrastructure minister under Bolsonaro, told reporters Thursday that the U.S. tariffs would have a negative impact on the economy and for important industrial exporters from his state, including Brazilian plane maker Embraer.

Brazilian President Luiz Inácio Lula da Silva has said he is ready to match any tariffs imposed on Brazil by the United States. Lula was responding to Wednesday's threat by his US counterpart, Donald Trump,