U.S. Cash Crude-Gulf Coast trades sideways as Brent/WTI widens

May 11 (Reuters) - U.S. Gulf Coast differentials movedsideways on Wednesday even as Brent's premium over U.S. cruderose. The move comes as U.S. crude stockpiles fell for the firsttime since the last week of March, with draws nationwide outsideof Cushing, Oklahoma. * Light Louisiana Sweet for June delivery rose 3cents to a midpoint of $2.03 and traded between $1.95 and $2.00a barrel premium to U.S. crude futures. * Mars Sour fell 7.5 cents to a midpoint of -$3.35and traded at a $3.40 a barrel discount to U.S. crude futures. * WTI Midland fell 8 cents to a midpoint of -$0.28and traded at a 25 cent a barrel discount to U.S. crude futures. * West Texas Sour rose 29.5 cents to a midpoint of-$0.88 and traded at a 90 cent a barrel discount to U.S. crudefutures. * ICE Brent July futures rose $2.08 to settle at$47.60 a barrel. * WTI June crude futures rose $1.57 to settle at$46.23 a barrel. * The Brent/WTI spread narrowed 42.0 cents tosettle at -$0.59. (Reporting by Catherine Ngai; Editing by Diane Craft)