seems the amex is the NYSE,,,,
On January 17, 2008, NYSE Euronext announced it would acquire the AMEX for $260 million in stock; on October 1, 2008, NYSE Euronext completed the acquisition.[2] Before the closing of the acquisition, NYSE Euronext announced that the AMEX would be integrated with the Alternext European small-cap exchange and renamed the NYSE Alternext U.S.[3]
In March 2009, NYSE Alternext U.S. was changed to NYSE Amex Equities. On May 10, 2012, NYSE Amex Equities changed its name to NYSE MKT LLC.[4]