The big payments processor Fiserv Inc. is partnering with Amazon.com Inc. to enable credit and debit card holders enrolled in Fiserv’s uChoose rewards program to redeem points on Amazon.com.

If you have a Citi credit card that earns ThankYou Points, you may be targeted for a limited-time offer that could save you money on some holiday shopping. Select Citi cardholders are seeing offers to ...