From 2003 to 2008, the volume of commodity index fund speculation increased by 1,900 percent.

From 2003 to 2008, the volume of commodity index fund speculation increased by 1,900 percent.

Source: Kaufman, Frederick, Bet the Farm: How Food Stopped Being Food (p. 225). John Wiley and Sons. Kindle Edition. (No link available) [verified 4/17/14]