CNBC | Brent, US crude oil prices battle for premium in weakening market conditions CNBC International Brent and U.S. crude oil futures battled for a premium on Monday but both benchmarks fell in a market in which there is no end in sight for oversupply that has brought down prices by two-thirds since the downturn began in mid-2014. Oil falls toward $37, near 11-year low, as excess supply weighs Oil Prices Slip in Limited Holiday Trading Oil falls, threatening to erode part of last week's rally |