Unlike the stock exchanges and stock exchanges for foreign currency transactions for a period of work alyutnyh exchange takes place not in a certain building, and during certain hours. The development of telecommunication technologies, most major financial institutions in the world use the services markets directly and through intermediaries around the clock. Most major world stock exchanges are the London, New York and Tokyo exchange markets. In some countries with transitional economies there are exchange markets, responsible for the exchange rates for businesses and market-based exchange rate. The state usually regulates the level of active exchange rate, using a compact stock market.