Jamaica's Usain Bolt earned a double and claimed a record 10th gold medal with a convincing victory in the 200 meters on Thursday at the World Athletics Championships in Beijing, denying rival Justin Gatlin with a time of 19.55.
Foreign exchange markets facilitate the trade of one foreign currency for another. Most exchanges are made in bank deposits and involve U.S. dollars. Over a trillion dollars in foreign exchange trades take place every day; foreign exchange dealers handle most transactions.
A change in a country's balance of payments can cause fluctuations in the exchange rate between its currency and foreign currencies. The reverse is also true where a fluctuation in relative currency strength can alter the balance of payments. There are two different and interrelated markets at work: the market for all financial transactions on the international market (balance of payments) and the supply and demand for a specific currency (exchange rate).