CNBC | US oil turns positive after falling on China fears CNBC U.S. oil prices fell towards six-year lows on Tuesday after stock markets tumbled in China, the world's largest energy consumer, adding to worries about global fuel demand at a time of heavy oversupply. Chinese stocks fell 6 percent on Tuesday as the ... Oil prices fall further as traders expect rates as low as $30 Oil Prices Slip Lower on China Worries Oil closes at fresh 6-year low below $42 US a barrel |