an investor monitors a screen displaying stock information at the abu dhabi securities exchange june 25 2014 march 7 reuters  major gulf bourses ended mixed on monday with oil prices jumping to levels last seen in 2008 amid market supply fears following russias invasion of ukraine brent crude oil prices surged by as much as 178 to 139 a barrel as the united states and european allies considered banning russian oil imports and prospects for a swift return of iranian crude to global markets receded meanwhile other commodity prices also soared while shares sank in frantic trading across global markets the saudi stock market is also seeing a decrease in prices following the concerns around the impact of the conflict in europe on the global economy said farah mourad senior market analyst of xtb mena energyheavy saudi arabias benchmark share index tasi ended flat with losses in financials offsetting gains in material and energy stocks saudi aramco 2222se rose 04 after gaining as much as 31 to a record high of 46 riyals 1226 aramco raised the april official selling prices for crude it sells to asia by more than 2 a barrel with some grades hitting alltime highs read more dubais main index dfmgi fell 09 down for a second consecutive session after gaining 41 the previous week abu dhabis index ftfadgi ended flat while the qatari index qsi rose nearly 1 in its sixth straight session of gains outside the gulf egypts bluechip index egx30 lost 36 in its biggest loss in over ten days reporting by tanvi mehta in bengaluru editing by mark heinrich