NEW YORK, June 6 (Xinhua) -- Oil prices rallied Tuesday as investors bet that official data scheduled for release Wednesday will show a ninth straight weekly decline in U.S. crude stockpiles.

The West Texas Intermediate for July delivery rose 0.79 U.S. dollar to settle at 48.19 dollars a barrel on the New York Mercantile Exchange, while Brent crude for August delivery increased 0.65 dollar to close at 50.12 dollars a barrel on the London ICE Futures Exchange. Enditem