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.
Chicago Stock Exchange and in the early 1960s the Midwest Stock Exchange Service Corporation was established to provide centralized accounting for member firms. In 1993 it changed its name back to the Chicago Stock Exchange. The Chicago Stock Exchange was founded in a formal meeting on March 21, 1882. At this time, Charles Henrotin was elected the chairman and president. In April that year, a lease was taken out at 115 Dearborn Street for the location of the exchange and during that year 750 memberships were sold. On May 15, 1882, the Chicago Stock Exchange officially became public and opened its offices, with