Credit Cards Amex Platinum Has a New Walmart.com Offer: 25% Back (Up to $25) by joeheg November 28, 2025 by joeheg November 28, 2025 Amex is back with another Walmart deal for Platinum cardholders — and the timing isn’t subtle. Right as holiday shopping ramps up, some people are seeing a targeted Amex Offer … 0 FacebookTwitterPinterestEmail