In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. Before transition to remittances Western Union company rendered services on sphere of cable communication. Thanks to cooperation with Western Union the Associated Press at the end of the XIX century took almost monopolistic position in the U.S. market news.