AMEX
From ACT Wiki
US.
1. Stock exchange.
Abbreviation for the exchange formerly known as the American Stock Exchange.
AMEX merged with NYSE Euronext in 2008 and is now incorporated within NYSE American.
2. Financial services.
American Express Company (NYSE: AXP).
A global financial services company based in New York.
3. Credit card.
American Express Company credit card or charge card.
Also written Amex or AmEx.