CNBC | Brent crude breaks $81, its highest since 2014, as oil market tightens CNBC Brent crude breaches $81 a barrel on the back of a tightening oil market and OPEC leaders signaling they won't be immediately boosting output. Global oil ends at a nearly 4-year high as producers rebuff Trump's demand to keep crude prices low OPEC Is the Oil Producer of an Unlikely Future Oil price jumps as Opec keeps output steady |