Reuters | Oil prices climb on talk that OPEC could extend supply cut Reuters LONDON Oil prices climbed on Tuesday, helped by expectations that an OPEC-led output cut would be extended beyond June but gains were pegged back by concerns about persistently high crude inventories. The Organization of the Petroleum Exporting ... Oil prices up but still near four-month low Oil May Be the Key to the Reflation Rally Why Oil Will Continue Higher And How You Can Profit |