How to Use "Amex" with Example Sentences

1. There is a credit card-an American Express , Do you accept AMEX ?

2. Shares of Amex dropped 50 % .

3. They plan to move to AMEX in the next 12 months .

4. For Bluebird , Amex issues the cards and Walmart distributes them .

5. But Amex says it will keep a more diversified funding model .