London Stock Exchange is a stock exchange located in the City of London, England. As of April FTSE 100 Index (pronounced "Footsie 100") was launched by a partership of the Financial Times and the Stock Exchange on 3 January 1984. London Stock Exchange supplies its participants with real time prices and trading The Financial Times Stock Exchange 100 Index, also called the FTSE 100 Index, FTSE 100, FTSE, or, informally, the "Footsie" /ˈfʊtsi/, is a share index of the 100 companies listed on the London Stock Exchange on the London Stock Exchange with a Sterling or Euro denominated price on the Stock Exchange Electronic FTSE 100 constituents shares prices and list of FTSE 100 shares.