Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Payment systems are one of basic elements of infrastructure of e-commerce. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. Before transition to remittances Western Union company rendered services on sphere of cable communication. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.