HSBC Upgrades Petrobras To Hold By: Benzinga via Benzinga June 30, 2015 at 09:14 AM EDT Analysts at HSBC upgraded Petroleo Brasileiro Petrobras SA (ADR) (NYSE: PBR) from Reduce to Hold. Petrobras shares have dropped 38.02 ... Read More >> Related Stocks: HSBC Holdings Plc ADR Petrobras - Petroleo Brasileiro S.A.