To settle transactions between businesses located in different countries, governments, speculative transactions and so forth, banks around the world execute currency trades on forex market. Depending on various trade, economical and other parameters, interest rates, central bank policies, time of the day, preferences and anticipations of the market players, and many other causes, the rates, that is prices, of currencies stay in ceaseless motion.
Your task as a forex stock trader is to determine the trend of the rate and buy an appreciating currency or sell a depreciating one, and then take your hugh profits through execution of a reverse transaction otherwise to risk