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.

NEW YORK (AP) — Payment processor Visa Inc. said Saturday that it plans to start separately categorizing sales at gun shops, a major win for gun control advocates who say it will help better track ...

Visa (NYSE:V) and Mastercard (NYSE:MA) are pausing a plan to track firearm sales with a new merchant category code (MCC) as a number of bills advancing in several states related to the use of the new ...