Earlier today we posted that American Express was clawing back points from the Hilton 6x/12x grocery promotion. American Express is also offering increased earning rates at grocery stores on other cards as well:
Unfortunately cardholders are also seeing clawbacks on these cards. I suspect this is largely due to gift card purchases, but it’s still unclear if American Express is just basing this off high spend or if they are using level three data to see that gift cards were purchased.