Today's move should keep the real and real-based funds like EWZ restrained tomorrow: And watch Brazil ahead of the weekend's G20 summit. Given Brazil's history of hyperinflation, monetary policy makers have an unusually loose target for inflation and are content to see prices climb at an annualized rate of 2.5% to 6.5%. While Brazilian officials will not attend, they may announce new measures designed to weaken the real as the currency wars enter a new phase with China'srate hike.