CNBC | Oil seesaws amid dollar weakness; crude stocks weigh CNBC The increase in U.S. inventories came despite seasonal refinery utilization hitting an 11-year high, while a decline in the dollar supported oil prices. A weaker greenback makes dollar-denominated commodities like crude more affordable to holders of ... Oil Prices Fall on Oversupply Worries Oil falls as US crude stocks hit record for seventh week in a row Oil Trades Near 2-Week Low as Rising U.S. Stockpiles Expand Glut |