NEW YORK, Feb. 6 (Xinhua) -- Oil prices inched up on Friday.
The West Texas Intermediate for March delivery gained 26 cents, or 0.41 percent, to settle at 63.55 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for April delivery added 50 cents, or 0.74 percent, to settle at 68.05 dollars a barrel on the London ICE Futures Exchange.
