Tudor, Pickering, Holt & Co: Buy Petrobras, It's Worth $15/ADR By: Benzinga via Benzinga June 03, 2015 at 09:56 AM EDT In a report published Wednesday, Tudor, Pickering, Holt & Co analyst Anish Kapadia upgraded the rating on Petroleo Brasileiro Petrobras ... Read More >> Related Stocks: Petrobras - Petroleo Brasileiro S.A.