Demand

Anyone who’s filled up a gas tank recently would probably conclude there’s not enough supply and there’s too much demand, that’s why it costs almost $4 on average a gallon nationwide to fill up your tank. But when it comes to natural gas the supply demand problem is just the opposite.

The price of cocoa has started to fall around the world as demand has dropped off -- but these prices might not last for long.

The price of agricultural commodities has spiked since last summer, according to a report from the U.S. Agriculture Department. Increasing demand...