CNBC | US oil drops 6% on China, slim OPEC deal hope CNBC U.S. crude oil prices fell more than 6 percent on Monday as weak economic data from China, the world's largest energy consumer, reversed a four-day rally from last week and an OPEC source undermined chances of an emergency meeting to stem the ... Oil sinks, pressured by China, OPEC and warmer US weather Hedge funds split over outlook for oil Crude Erases Last Week's Rally on China Data, OPEC Output Gain |