CNBC | Oil prices fall on rising supply, global market woes CNBC Oil prices fell on Tuesday, dragged down by ongoing weakness in global stock markets and by signs of rising global supply despite looming sanctions on Iran's crude exports. Front-month Brent crude oil futures were at $76.78 a barrel at 0040 GMT, down ... Iran sees lukewarm initial interest in domestic bourse crude oil offering Oil prices decline as demand worries outweigh Iran supply challenges Oil price edges toward worst monthly performance since mid-2016 |