Oil prices fell on Friday after a three-day rally ran out of steam, promising to notch up the oil market’s worst-performing quarter since 2015 as investors fret that growing U.S. supplies are undermining OPEC-led cuts. Brent crude futures LCOc1 have made the biggest losses across global asset classes this quarter and in March the contracts made the biggest monthly losses since July as growing U.S. crude inventories and drilling activity counter-balance production cuts elsewhere in the world. On Friday, Brent futures were down 32 cents at $52.64 a barrel at 0836 GMT. The contracts have lost around 7 percent since the previous quarter, the worst quarterly losses since late 2015. U.S. crude futures CLc1 were down […]