Another sign of the falling influence of WTI crude as a benchmark, Brazilian giant Petrobras...

|About: Petrobras - Petroleo Bra... (PBR)|By:, SA News Editor

Another sign of the falling influence of WTI crude as a benchmark, Brazilian giant Petrobras (PBR) has switched the pricing of its U.S.-bound oil exports to Brent. One look at a chart of Brent vs. WTI over the last 18 months shows why.