Oil prices extend gains on rising risk appetite

NEW YORK, April 28 (Xinhua) -- Crude oil futures prices registered solid gains on Friday as investors chase risk assets.

The West Texas Intermediate (WTI) for June delivery increased by 2.02 U.S. dollars, or 2.70 percent, to settle at 76.78 dollars a barrel on the New York Mercantile Exchange. Brent crude for June delivery added 1.17 dollars, or 1.49 percent, to settle at 79.54 dollars a barrel on the London ICE