1 Day PBR.A -0.24% DJIA -0.32% S&P 500 -0.29% Energy -1.57% ...

Importantly, PBR has also made great strides in improving its balance sheet, with it having the lowest amount of financial debt since 2008 and a very reasonably long-term debt-to-capital ratio of 36%.

Let's take a look at what these Wall Street heavyweights have to say about Petrobras (PBR) before we discuss the reliability of brokerage recommendations and how to use them to your advantage.