FortuneOil driller Nabors swings to $891 million 4Q loss on writedownsFortuneGlobal crude prices have nearly halved since June, forcing oil and gas companies across the world to idle rigs and lay off staff. Nabors recorded charges of about $1.2 billion in …

Glencore oil trading could see 'blow out' yearFinancial TimesFollowing a dire year for commodities that hit profits at Glencore —one of the world's largest producers and traders of resources from coal to copper — Ivan Glasenberg said trading in …