The idea to learn forex online training may seem a little confusing. After all, Forex trading is all about currency, not commodities. However, the economies of some countries are heavily dependent upon imports and exports like oil, metals, and food, things which contribute to a nation’s Gross Domestic Product (GDP). Therefore the value of those countries’ currency will be linked to the values of those commodities. Forex traders can profit from tracking the rise and fall of those commodities’ prices. However, Forex traders should avoid the currencies of small economies in the developing world where the political situation is unstable or liquidity is low.