Trading in international currencies is a global market where about $1.9 trillion is circulated in a day. It is one of the largest financial markets in the whole world. MNCs, banks, other financial institutions purchase and sell large volumes of currencies in order to cater to the international trade demands. Regular traders also invest and trade in the currency market so that they can capitalize on minor fluctuations in foreign exchange rates. Currency traders also predict and speculate so as to trade on anticipated fluctuations in the currency market.