Philadelphia Stock Exchange that the tax was illegal, and the PHLX moved its trading floor back to its headquarters in the city. In 1981, the exchange moved to 19th and Market, where it stayed until 2017 when it moved to its current location in the newly built FMC Tower. The exchange merged with the Baltimore Stock Exchange in 1949. The exchange was then named the Philadelphia-Baltimore Stock Exchange. The Baltimore Stock Exchange then migrated out of its Baltimore Stock Exchange Building, later renamed the Totman Building, to a new home base in Philadelphia. The exchange merged with the Washington Stock Exchange in 1954.
American Mining and Stock Exchange American Mining and Stock Exchange The American Mining and Stock Exchange was a commodities and stock exchange in New York City. In 1877 it absorbed the competing New-York Open Gold and Stock Exchange. The New York Mining Stock Exchange absorbed the members of the American Mining and Stock Exchange, which had been operating for around fifteen months, on July 26, 1877. The American Mining and Stock Exchange began operations around May 1876. Around early 1877, there was an attempt to consolidate the New-York Open Gold and Stock Exchange with the American Mining and Stock Exchange, both of which were next