Walmart Inc.'s pre-paid debit card issuer has been fined $44 million for practices that denied some users access to their own ... which can be used wherever Mastercard or Visa cards are accepted.

With the U.S. Bank Shopper Cash Rewards Visa Signature Card, you can choose two retailers to earn 6% cash back on the first $1,500 in combined purchases, and Walmart is one of the available retailers.