BBC News | Oil trading volatile on oversupply concerns BBC News Oil prices have been volatile again, hit by continuing oversupply, the strong dollar and weak global demand. Some members of the Opec group of oil producers are calling for an emergency meeting to discuss reducing output. Opec president Emmanuel Ibe ... Crude oil prices plunge to fresh 12-year low Nigeria Says OPEC May Meet Soon as Oil Even Hurting Saudi Arabia OPEC has no plan for emergency meeting on oil drop: Delegates |