West Texas Intermediate crude capped its biggest weekly gain in a month on speculation stronger U.S. economic growth will increase demand. WTI narrowed its discount to Brent to a one-year low. The U.S. economy expanded in the second quarter at the fastest rate since the last three months of 2011, the Commerce Department said. Brent dropped for a third week in four as ample supplies shield the oil market from the U.S. military campaign against Islamic State. Gasoline tumbled after reaching this month’s high yesterday. “Improving U.S. economic conditions should improve the fundamental outlook here,” said Gene McGillian , an analyst and broker at Tradition Energy in Stamford , Connecticut . “The market is trying to stabilize. We still have a lot of supply out there and that’s weighing on the overall market.” WTI for November delivery rose $1.01, or 1.1 percent, to settle at $93.54 a barrel on […]