Brazil has worked very hard through structural reforms in recent years and has improved its fiscal and monetary policies with great improvement. Some of the achievements were: lowering inflation, reducing net debit to 40% of GDP, paying off its international monetary fund loans, agressively boosting its foreing reserves to $200 Billion, achieving an investment grade rating for its debt. No doubt that Brazil has matured as a country and its moving fast towards becoming a major force in the global economy.
You're a little late to the party. EWZ, an ETF holding Brazilian company stocks have been averaging 30 - 40% per year.