OPEC agreed with Russia and other oil-producing allies on Saturday to raise output from July, with Saudi Arabia pledging a “measurable” supply boost but giving no specific numbers. The Organization of the Petroleum Exporting Countries had announced an OPEC-only production agreement on Friday, also without clear output targets. Benchmark Brent oil rose by $2.5 or 3.4 percent on the day to $75.55 a barrel. On Saturday, non-OPEC oil producers agreed to participate in the pact but a communique issued after their talks with the Vienna-based group provided no concrete numbers amid deep disagreements between OPEC arch-rivals Saudi Arabia and Iran. U.S. President Donald Trump was among those wondering how much more oil OPEC would deliver. “Hope OPEC will increase […]