Currency trade.

Commonly known as Forex trade, it is one of the biggest markets in the world. The New York stock exchange has daily transaction of about 50 billion dollars but in currency trade the money circulated is about 2 trillion dollars. In the easy word, all of the worlds combined business doesn’t have that liquidity as currency business.
                                         
                                   Real market and speculation are the two main reasons for the ups and downs of any country’s currency. When traders are doing a foreign trade they are forced to buy the currency of that country in which they are trading. So, they sell their domestic currency. Another one is speculation. Whenever get concept that any one currency will be weak or strong against other currency, they trade accordingly.
                                   Currency trading is very useful than other types of trading. Its loss margin is less and provides better profit than other business.