MarketWatch | Oil futures approach one-week low as US crude supplies rise MarketWatch Oil futures sank Wednesday toward a one-week low as U.S. government data confirmed a larger-than-expected weekly rise in crude inventories, wiping out earlier support from optimism that Iran could agree to a production freeze accord. October West Texas ... Crude Oil Prices Weigh Conflicting Cues Before OPEC Meeting Here's How OPEC Manipulates The Oil Market |