Reuters | Crude prices jump 3 percent on weak dollar, firmer oil product markets Reuters Oil prices have risen over the last three weeks, with Brent on track to finish April about 14 percent higher for its best monthly gain in a year, despite aborted plans by major producers to agree on an output freeze at a meeting in Qatar earlier this ... Oil futures get a boost as dollar weakens Oil rises but threat of supply surprise lingers Oil up on weak dollar; threat of supply hikes linger |