CNBC | US oil closes at highest level since July 21 on supply worries CNBC U.S. oil prices rose on Monday as Nigeria's oil industry reeled from crippling attacks and traders cited data pointing to fresh draws in U.S. stockpiles. Global oil benchmark Brent initially hit seven-month highs on worries about plummeting Nigerian ... Oil Prices Rise as Global Outages Curb Supply Oil trims gains as traders weigh timing of next Fed rate rise Oil rises on supply worries; Fed chief's remarks limit gains |