CNBC | UPDATE 11-Oil under pressure as high supply offsets Mideast tensions, dollar Reuters UK By Barani Krishnan. NEW YORK, April 28 (Reuters) - Oil prices remained under pressure on Tuesday as worries about record high U.S. crude stockpiles offset security scares in the Middle East and support from a weak dollar. Oil briefly rallied as Iranian ... 20% of oil supply travels waters where ship seized Oil market climbs on Iran reports Oil trades mixed amid Iran cargo ship incident |