Gold, Oil & Copper: Is the Commodity boom over?

China's stock market crash was big news. But lost in the headlines was the commodities rout. Everything from copper to oil, cotton to sugar has been hit. And unlike stock markets, commodities have an impact on everyday lives. From farmers to miners to consumers to governments, lower prices mean less money and fewer jobs. Gold is often seen as a store of wealth in uncertain times. But right now, gold has tumbled below $1,100 an ounce to a five-year low. So what is behind the fall?