Yesterday a barrel of light sweet crude (WTI) for August delivery gained 21 cents to settle at $ 50.36 in the New York Mercantile Exchange.
In London, a barrel of North Sea Brent for September delivery gained 39 cents, reaching $ 57.04.
Fuente: http://expreso.ec/expreso/plantillas/nota.aspx?idart=8169401&idcat=38229&tipo=2
