Commodities have been the hot topic of the year. And it's not really surprising. Energy prices surged to record highs in August, driven by acute supply concerns amid ongoing tensions in the Middle East and the impact of hurricanes Katrina and Rita on US refineries. Meanwhile, China continues to suck up as much oil as it can to feed its booming industrial sector.
As crude oil prices climbed, investors looked to get a piece of the action. As a result, a wide variety of commodity-linked products