Since the value of any currency does not remain static in terms of another currency and also the requirement of any currency fluctuates, it became a good source of income for financial brokers to make good money. With the wide use of internet, it becomes very easy business for people to make living of trading in foreign exchange.
But this business is not all that easy and you cannot earn substantial amount overnight. You have take into account the factors and trends responsible for rise or fall in demand of any currency and subsequently its related rate in terms of its pair currency. Usually currencies are traded in pair. Us dollar and British pound are the most common denominator for exchange of all currencies. So if Japanese Yen is becoming cheaper per dollar, it is wise to buy more Yen. At the same time you need to unload currencies that are appreciating per dollar.
There are many factors playing their roles in the fluctuation of currency price. So you need to keep a sharp eye on the current global economic, political situations as well as any natural calamities that might take in any part of the globe. All these have their effect on forex trade.
Besides this information, you need to be familiar with the different jargons of forex trading. Knowledge of the basic functioning of this market is the first prerequisite to be successful in this trade. There are many books and online courses to get you started. There are some tools too that help in trend analysis and keeping you on track in this business. The winner is not who has more knowledge, but the one who knows how to use this knowledge to make a killing in this game.
So if you are new to forex trading, you can have look at my article on forex trading tips for beginners [http://hubpages.com/hub/Forex-Trading-Tips-for-Beginners] for more information.