Bloomberg

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Bloomberg L.P. is a multinational mass media corporation based in New York City. Bloomberg makes up one third of the $16 billion global financial data market, with estimated revenue of $7.6 billion in 2011. Bloomberg L.P. was founded by Michael Bloomberg with the help of Thomas Secunda, Duncan MacMillan, and Charles Zegar in 1981 and a 30% ownership investment by Merrill Lynch. The company provides financial software tools such as analytics and equity trading platform, data services and news to financial companies and organizations around the world through the Bloomberg Terminal (via its Bloomberg Professional Service), its core money-generating product. Bloomberg L.P. has grown to include a global news service, including television, radio, the Internet and printed publications.

Source: Wikipedia