CNBC | Brent oil prices dips on rising supply, global market woes CNBC Brent oil prices dipped on Tuesday, weighed 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 $77.05 a barrel at 0428 GMT ... Oil prices fall on rising supply, global market woes Oil prices decline as demand worries outweigh Iran supply challenges Oil price edges toward worst monthly performance since mid-2016 |