Petróleo Brasileiro S.A. – Petrobras (NYSE:PBR) is one of the cheap stocks to buy for the next 5 years. On October 7, Petrobras and Pluspetrol announced the completion of the first-ever import of unconventional natural gas from Argentina’s Vaca Muerta shale play into Brazil. This pilot shipment totaled 100,000 cubic meters and was completed on October 3, under an agreement between the two companies and their subsidiaries, Petrobras Operaciones/POSA and Gas Bridge Comercializadora. The gas was produced by ...