Last week, shares from Brazil´s largest company, government owned PETROBRAS, went up more than 10% in just a couple of days. Yesterday however they were down by over 5%. Surely the company´s economic basis had little to do with it. So what is really going on with the petroleum giant? An interview with professor Fábio Gallo from the Fundação Getúlio Vargas gives us some clues.
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