08 Oct 2008, S„o Paulo, Brazil — Traders work on the main floor of the BM&F Bovespa stock exchange market in Sao Paulo October 8, 2008. Brazil’s benchmark stock index sank more than 5 percent in early trade on Wednesday as markets from Asia to Europe declined on concerns that efforts by central banks around the world to cut rates would not be enough to avert global recession. REUTERS/Paulo Whitaker (BRAZIL) — Image by © PAULO WHITAKER/Reuters/Corbis