Sell Petrobras, Warns Deutsche Bank In Downgrade Analysis By: Benzinga via Benzinga March 24, 2016 at 10:34 AM EDT Deutsche Bank’s Alexander Burgansky downgraded the rating for Petroleo Brasileiro SA Petrobras (ADR) (NYSE: PBR) from Hold to ... Read More >> Related Stocks: Petrobras - Petroleo Brasileiro S.A.