Citigroup mailed me a notice that they were lowering my credit limit. I could care less. I have never charged anywhere close to the limit and have never failed to pay the balance every month.
And I am having a much better year that Citigroup is experiencing.
http://finance.yahoo.com/q/bc?s=C&t=1y
American Express isn't exactly increasing shareholder value.
http://finance.yahoo.com/q/bc?s=AXP&t=1y