 energy stocks gain with low volumes premarket tracking crude prices as concerns over supply disruptions after failed talks between russia and ukraine outweighed discussions of a coordinated global crude stocks release read more  may brent crude futures were up 610 or 623 to 10407 a barrel by 1252 gmt the benchmark touched a sevenyear high of 10579 after the invasion began last week  us west texas intermediate wti april crude futures were up 538 or 562 at 10110 its highest since july 2014  oil majors chevron corp cvxn and exxonmobil corp xomn rise 16 and 113 respectively  oil producers pioneer natural resources co pxdn eog resources inc eogn occidental petroleum corp  callon petroleum co cpen and devon energy corp climb 17313