NYSE Euronext  NYSE Euronext, Inc. was a Euro-American multinational financial services corporation that operated multiple securities exchanges, including the New York Stock Exchange, Euronext and NYSE Arca (formerly known as ArcaEx). NYSE merged with Archipelago Holdings on March 7, 2006, forming NYSE Group, Inc. On April 4, 2007, NYSE Group, Inc. merged with Euronext N.V. to form the first global equities exchange, with its headquarters in Lower Manhattan. The corporation was then acquired by Intercontinental Exchange, which subsequently spun off Euronext. NYSE Euronext offers a broad and growing array of financial products and services in cash equities, futures, options, exchange-traded products (ETPs), bonds, market data, and commercial technology. Spanning multiple asset classes and six countries, the company's exchanges include the New York Stock Exchange, Liffe, Euronext and NYSE Arca. With more than 8,000 listed issues (which includes 90% of the Dow Jones Industrial Average and 80% of the S&P 500, trading on NYSE Euronext's equity markets represents more than one-third of the world's cash equities volume. The company also manages the leading European derivatives exchange by value of trading. NYSE Euronext is part of the S&P 500 index and the only exchange operator in the S&P 100 index. NYSE Euronext is a Delaware corporation, though the principal executive office of NYSE Euronext is located at 11 Wall Street, New York, New York 10005. The European headquarters are at 39 Rue Cambon, 75001 in Paris, France. Below is a list of major NYSE Euronext locations:  The merger between NYSE and Archipelago Holdings was initially approved in 2005 by a 95% majority of voting NYSE members. The acquisition of Archipelago, which held possession of highly regarded market technology at the time, was intended to bring automated trading to NYSE markets (which had previously utilized an "open outcry" system) and increase efficiency. For the first time in its 213-year history, the New York Stock Exchange became a for-profit company, and began trading publicly on its own stock exchange under the NYX ticker. Owners of the 1,366 NYSE seats received 80,177 shares of NYSE Group stock plus $300,000 in cash and $70,571 in dividends for each seat. The completion of this deal created two new branches of the NYSE Group: NYSE Arca and NYSE Arca Europe, which launched after the acquisition of Euronext.