Ever heard of forex?. It actually trades trillions of dollars daily. You need to http://economictimes.indiatimes.com/markets/forex have self control in order to gain great profit in forex trading market. On these sheets, we advise you a concise preface to the Forex trading markets plus their members and various techniques that you are capable to relate.
There are trades taking place between countries and markets every day with some of the most heavy trades occurring between the US dollar and the British pound, the Euro and the US dollar and finally the US dollar and the Japanese yen. For example the United States dollar is USD and the Japense yen is JPY and the Japense yen is JPY and the Euro is EUR. This may sound obvious, but adhering to ones rules and trading plan is incredibly difficult when real money is on the line and the trade is going against you.
Changing one's pounds back into dollars would only result in $1 or so of profits. Just have confidence in what you are doing and work smart.