Key Takeaways American Depositary Receipts (ADRs) of Petrobras (PBR) sank after the Brazilian government replaced the state-run oil giant's CEO Jean Paul Prates. The company announced in a press release that Prates would be stepping down after a meeting of the board to consider his "early termination." The Brazilian Ministry of Mines and Energy informed the company that Prates will be replaced by former energy regulator Magda Chambriard. Petrobras' Chief Financial and Investor Relations Officer Sergio Caeta ...