@CNN: Citigroup will refund about $330 million to consumers after discovering it had overcharged 1.75 million credit card accounts on their annual interest rates https://t.co/spFpw75jOv https://t.co/pKggay0lfB

@CNN: Citigroup will refund about $330 million to consumers after discovering it had overcharged 1.75 million credit card accounts on their annual interest rates https://t.co/spFpw75jOv https://t.co/pKggay0lfB