NEW YORK, June 27 (Xinhua) -- Oil prices inched up on Friday.
The West Texas Intermediate for August delivery increased by 28 cents, or 0.43 percent, to settle at 65.52 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for August delivery added 4 cents, or 0.06 percent, to settle at 67.77 dollars a barrel on the London ICE Futures Exchange.