US credit card giants said they will implement a new merchant category code for the nation's gun retailers, which gun control activists say will help flag potential mass shooters and gun traffickers.

Visa and Mastercard have previously said the new system might not have had the impact that gun-control advocates had hoped. Visa and Mastercard have decided to pause implementing a plan that activists ...

Visa and Mastercard have decided to pause implementing a plan that activists had hoped would track firearm sales and help curb gun violence. The payment giants said they would suspend their work on ...