"Crude oil is (now) more than just a physical product", according to NPRA Chairman William Klesse. As he noted, "Today there is ample crude in the world, and crude is not at $80/bbl because of physical markets".
Last year, European pension funds alone "invested" €21bn ($29bn) into commodity funds, particularly oil. This was a 145% increase on the 2008 figure, with minimum 60% growth expected this year. This flood of money hiked oil prices 78%, even though demand growth was poor.
and so on and so forth.