oil prediction, supply concernsA weaker dollar and a hazard about supply caused oil futures increased to all time high as around $121 a barrel on Tuesday.

After the release of data on Monday that reported an unexpected enhancement in the U.S. service sector in April, the oil prices raised by the hopes that U.S. economy will revive after a quick but long downturn as some analyst suggested.

On Tuesday in electronic trading on the New York Mercantile Exchange a rise of $120.93 a barrel was reported in light, sweet crude oil for the delivery of June.But it got down 9 cents on Monday’s end and reached at $119.88.

Crude stocks adjusted on Monday at $ 119.97 per barrel and got up $3.65 from Friday’s shut.
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