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
Mexican Stock Exchange in Mexico. On 19 April 1990, the Centro Bursátil was finished on Paseo de la Reforma, turning the Stock Exchange Centre into the heart of the financial district of Mexico City. Five years later, the BMV completely modernised the centre, introducing a completely electronic system (BMV-SENTRA) which was phased into the workings of the exchange, becoming fully operational by 1999. In 2001, Citigroup became the first foreign company to begin trading in the BMV, opening the door to many new companies to do the same, especially from Central and South America. The same year, the Securities' Market Law was reformed