Time zones are different in most of the countries and this is the reason why trading takes place throughout the day and night as well. When it is trading time/ office time in our country, trading takes place, then the day comes to a close and in other countries the day is about to start or has already started and therefore the markets will open in these countries and they will start doing trading. All over the world trading has a rippling affect on other Foreign Exchange markets. For example, if the NASDAQ takes a dip towards south it has a (generally) negative affect on markets in Great Britain, Hong Kong and china.
Whenever two countries are involved in trading, Forex or Foreign Exchange market comes into play, be it for goods, services or any commodity/ currencies. Any of the things mentioned here, is either sold to or bought from any other country then it is currency that is traded as per the price of the product/ services. Since million of dollars are involved in trading, on a daily basis (at times it can come from just one client or customer) hence Foreign Exchange is mainly done through banks. Two trillion dollars is the amount that changes hands everyday in the Foreign Exchange market. Should you invest in Foreign Exchange market? If you are already involved in the stock market then you should a have a fair idea about the Foreign Exchange market.
In case of shares/ stock market, you buy a share of the company and then you wait for the price of that companies share to go up so that you can sell your share and make a profit. This is how trading takes place on the stock market. In order to gain more knowledge about Foreign Exchange market you can download software called "Game", this is free. You have to first create an account. You will have to enter the information about your area of interest and what exactly you want to do? The "Game" will allow you to do trading, in the international market (involving different currencies), this will give you the result what and how much you will gain or lose. If you keep practicing on this account, here you stand to lose nothing because this dummy/ teaching software, you will soon start understanding the nuances of international trading and then finally you can take a plunge in the real business. You can also consult a broker before taking a final plunge.
In case you, as an individual want to invest in the international market then it is recommended that you should either do the same through a financial institution or an authorized broker. Individuals are known as "spectators", even if you are investing because the amount you invest is very less as compared to the daily trade that takes place in the international market. It is advisable to consult an investment banker/ advisor or an authorized broker before investing in the international market. In U.S. there are many rules and regulations that you have to adhere to in case you want to trade in the international market. Do your research thoroughly before finalizing on an authorized broker and their location and see whether you are allowed to deal with the company or not, depending on the law of the state and then proceed further, in case you are interested in international trading.