Brent crude oil prices fell slightly Wednesday but are still hovering near a four-year high while U.S. crude oil supplies had a surprise increase. Brent was trading at $80.67 , in Wednesday morning trading, down 59 cents from the prior day. U.S. supplies of crude oil jumped 1.9 million barrels for the week ending Sept. 21, the U.S. Energy Information Administration reported. Analysts had expected a 1.3 million barrel swing in the opposite direction. That unexpected supply surge pushed WTI crude prices down 49 cents to $71.79 in Wednesday trading. Demand for U.S. petroleum increased to 20.8 million barrels per day in August , up 250,000 barrels per day from July, the American Petroleum Institute […]