What is Commodity Trading ?

Commodity trading markets are markets where to buy and sell raw or primary products.

Types of traded commodities:

• agricultural , such as : wheat, corn, soybeans, cocoa, coffee, sugar
• livestock & meat , such as : lean hogs, live cattle, feeder cattle
• energy, such as : natural gas, crude oil
• precious metals, such as : gold, silver
• industrial metals, such as : copper, aluminium
• rare metals , such as : germanium, cobalt, magnesium, rhodium, titanium
• other , such as : ethanol, rubber, palm oil, wool, polypropylene

Which type of commodities have you traded ? have any good commodity trading systems ? please share tips on commodity trading.