Petrobras

Petrobras: The company was set to lead exploration of the recently discovered huge oilfields off the coast of Brazil. , according to BBC. Embroiled in continuing controversy, Petrobras has become a cause for concern for both investors and the government itself. It was the governmentas crown jewel, said to be worth $287bn 171bn - more than Microsoft at the time. But six years later, Petrobrasa market value is only a third of what it was and the optimism surrounding the company has dimmed. (news.financializer.com). As reported in the news.