BBC News | Oil price plummets despite deal to extend output cut BBC News The price of oil has plummeted by about 5%, despite oil-producing nations agreeing to extend production cuts for a further nine months. Meeting in Vienna, energy ministers from both Opec and non-Opec countries agreed to maintain output curbs, due to ... 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 |