Oil nears six-week low as U.S. stockpiles rise, fuel demand slips

    By Ben Sharples and Ann Koh     Oil traded near the lowest in six weeks as U.S. crude stockpiles increased more than estimated and gasoline use fell to a 10-year low. Brent crude in London was at the biggest premium to New York prices in 12 weeks.     Futures fluctuated today after declining as...