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

有张信用卡？？是运通卡，接不接受美国运通卡？

Shares of Amex dropped 50 % .

受此拖累，美国运通股价暴跌了50%。

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

他们计划在未来一年里进军美国证券交易所。

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

蓝鸟卡由运通发行，沃尔玛负责经销。

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

但美国运通声称将采用更多样化的融资模式。