Philadelphia Stock Exchange Philadelphia Stock Exchange Philadelphia Stock Exchange (PHLX), now known as NASDAQ OMX PHLX, is the oldest stock exchange in the United States. It is now owned by The NASDAQ OMX Group. Founded in 1790, the exchange was originally named the Board of Brokers of Philadelphia, also referred to as the Philadelphia Board of Brokers. In 1875, the Board of Brokers changed its name to the Philadelphia Stock Exchange. The exchange merged with the Baltimore Stock Exchange in 1949 and was named the Philadelphia-Baltimore Stock Exchange. It merged with the Washington Stock Exchange in 1954, becoming known as the Philadelphia-Baltimore-Washington Stock
Bulgarian Stock Exchange – Sofia Stock Exchange. The Bulgarian Stock Exchange is a member of the Federation of Euro-Asian Stock Exchanges. Bulgarian Stock Exchange – Sofia The Bulgarian Stock Exchange – Sofia (, "Balgarska fondova borsa - Sofia", abbreviated BSE - Sofia) is a stock exchange operating in Sofia, the capital of Bulgaria. It was founded as First Bulgarian Stock Exchange on 10 October 1991 as a joint stock company. The Sofia Stock Exchange which had been established through a tsar's decree, ceased to operate after the Second World War as Bulgaria became a communist state. In January 2011, the stock exchange (stock symbol: BSO)