This globalize world brings everything into a single platform and so the world market system. As there is no universal currency system in every country, foreign exchange market assists in buying and selling of currencies. Foreign exchange or currency trading refers to the simultaneously buying of one currency and selling of other. The cause of this trading depends on the extending business activities of various companies who want to sell their product and services in foreign companies, thereby converting profits made in foreign currencies into their domestic currencies. For more information about this topic read various articles in this directory.