BBC News | Opec extends oil production cuts BBC News Oil-producing nations belonging to Opec have agreed to extend production cuts for a further nine months. Energy ministers have been meeting in Vienna to discuss extending the cut, which was due to expire next month. Brent crude is 1.6% lower at $52.35 ... Why oil is plunging even after OPEC extended its landmark output-cut deal US crude settles at $48.90, tumbling nearly 5% on disappointment in OPEC's production policy Oil price slides as Opec production cuts fail to impress markets |