OPEC countries are set to maintain current production levels at a meeting next month, three delegates said, as Gulf states continue to focus on market share and a rally in crude prices mutes calls from other members for supply cuts. While the June 5 meeting in Vienna is likely to hear demands from some members of the Organization of the Petroleum Exporting Countries for a reduction in the amount of oil pumped, even officials from countries which favor a curb see it as unlikely. A surprise rally driven by tensions in the Middle East and signs the supply glut will ease pushed Brent crude to a 2015 high of $68.23 a barrel on Tuesday, up from January’s nearly six-year low close to $45. Oil prices more than halved last year after reaching $115 a barrel in June. “The prices were expected to be below $40 for […]