Business

Walmart, the largest retailer in the U.S., announced it will stop selling guns and ammunition to anyone under 21. The decision comes on the same day that Dick's Sporting Goods said it would stop selling military-style semi-automatic rifles and high-capacity magazines, as well as guns to anyone under 21.

Dick's Sporting Goods announced it will stop selling assault-style rifles like the one used in the Florida high school shooting and won't sell firearms to anyone under 21. NPR's Ailsa Chang speaks with Cornell University business ethics professor Dana Radcliffe, who also teaches ethics and public policy at Syracuse University, about the company's decision.

Both firms say customers will have to be 21 to buy a gun. Both are also putting new curbs on ammunition purchases in response to the Parkland, Fla., high school shootings.

In a play on signature top-hatted man on Johnnie Walker scotch bottles, the company introduced the Jane Walker Edition. It's the latest example of seemingly gender-neutral products marketed to women.