The New York Stock Exchange (NYSE), sometimes known as the "Big Board", is a stock exchange located at 11 Wall Street, Lower Manhattan, New York City, New York, United States. It is by far the world's largest stock exchange by market capitalization of its listed companies at US$16.613 trillion as of May 2013. Average daily trading value was approximately US$169 billion in 2013. The NYSE trading floor is located at 11 Wall Street and is composed of four rooms used for the facilitation of trading. A fifth trading room, located at 30 Broad Street, was closed in February 2007. The main building, located at 18 Broad Street, between the corners of Wall Street and Exchange Place, was designated a National Historic Landmark in 1978, as was the 11 Wall Street building. The NYSE is operated by NYSE Euronext (NYSE: NYX), which was formed by the NYSE's 2007 merger with the fully electronic stock exchange Euronext. In December 2012, it was announced that the company would be sold to Intercontinental Exchange (ICE), a futures exchange headquartered in Atlanta, Georgia, United States, for $8 billion, a figure that is significantly less than the $11 billion bid for the company tendered in 2011. The origin of the NYSE can be traced to May 17, 1792, when the Buttonwood Agreement was signed by 24 stockbrokers outside of 68 Wall Street in New York under a buttonwood tree on Wall Street.[10] On March 8, 1817, the organization drafted a constitution and renamed itself the "New York Stock & Exchange Board". Anthony Stockholm was elected the Exchange's first president. The last central location of the Exchange was a room, rented in 1792 for $200 a month, located at 40 Wall Street. After that location was destroyed in the Great Fire of New York in 1835, the Exchange moved to a temporary headquarters. In 1863, the New York Stock & Exchange Board changed to its current name, the New York Stock Exchange. In 1865, the Exchange moved to 10--12 Broad Street. The New York Stock Exchange was closed for ten days starting September 20, 1873, because of the Panic of 1873.[11] The volume of stocks traded increased sixfold in the years between 1896 and 1901, and a larger space was required to conduct business in the expanding marketplace.[12] Eight New York City architects were invited to participate in a design competition for a new building; ultimately, the Exchange selected the neoclassic design submitted by architect George B. Post. Demolition of the Exchange building at 10 Broad Street, and adjacent buildings, started on May 10, 1901. The main façade featuring six tall columns with Corinthian capitals The new building, located at 18 Broad Street, cost $4 million and opened on April 22, 1903. The trading floor, at 109 × 140 feet (33 × 42.5 m), was one of the largest volumes of space in the city at the time, and had a skylight set into a 72-foot (22 m)-high ceiling. The main façade of the building features six tall columns with Corinthian capitals, topped by a marble pediment containing high-relief sculptures by John Quincy Adams Ward with the collaboration of Paul Wayland Bartlett, carved by the Piccirilli Brothers, representing Integrity Protecting the Works of Man. The building was listed as a National Historic Landmark and added to the National Register of Historic Places on June 2, 1978.[13] In 1922, a building for offices, designed by Trowbridge & Livingston, was added at 11 Wall Street, as well as a new trading floor called the Garage. Additional trading floor space was added in 1969 the Blue Room, and in 1988 the EBR or Extended Blue Room, with the latest technology for information display and communication. Yet another trading floor was opened at 30 Broad Street called the Bond Room in 2000. As the NYSE introduced its hybrid market, a greater proportion of trading came to be executed electronically, and due to the resulting reduction in demand for trading floor space, the NYSE decided to close the 30 Broad Street trading room in early 2006. As the adoption of electronic trading continued to reduce the number of traders and employees on the floor, in late 2007, the NYSE closed the rooms created by the 1969 and 1988 expansions. http://en.wikipedia.org/wiki/NYSE Image By Kowloonese (08:27, 30 May 2004) (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons

• published: 29 Mar 2014
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