Oil trades at one-week low as U.S. stockpiles increase

Oil traded close to a one-week low in New York as an industry-funded report indicated increasing stockpiles in the U.S., with inventories gaining 1.96 million barrels last week, according to the American Petroleum Institute. Crude for January settlement traded down 20 cents at $86.98 a barrel, while Brent January delivery slipped 9 cents to $109.78 a barrel.