MarketWatch | UPDATE 7-Oil jumps 3 pct, hits 2015 high on Yemen, supply concern Reuters NEW YORK, April 23 (Reuters) - Oil prices jumped 3 percent on Thursday to their highest levels of this year, after Saudi Arabia and its allies maintained a bombing blitz in Yemen that heightened concerns about the security of Middle East oil supplies. Oil climbs; Brent above $64 for first time this year Oil prices driven higher by Yemen conflict nerves Not 'critical' for US to lift oil export ban now, EIA chief says |