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
Warsaw Stock Exchange the debentures of Towarzystwo Kredytowe Ziemskie issued in 1826. The first shares admitted to trading were issued by railroad companies in the 1840s. Until 1853 trading sessions were twice a week between 1pm and 2pm. In 1873 a new, more liberal, stock exchange act was passed, separating the trade in securities and commodities. A separate Warsaw Commodities Exchange was founded in 1874. Central Europe was subject to a big bull market after the Prussian-Franco War of 1870-1871, followed by a harsh crash starting at the Vienna Stock Exchange in the later 1870s. However, the Warsaw Mercantile Exchange constantly grew until