The National Day of Mourning affects many government services, as all federal offices will pause operations until Friday, January 9. Mail is one of the services that will be impac

Stock market closures are rare outside of regular holidays. Other events that closed the market include Hurricane Sandy and the September 11 attacks.

Bond markets will be open, but for reduced hours, closing early at 2 p.m. ET, according to a recommendation from the Securities Industry and Financial Markets Association. Carter's remains will be taken to the Washington National Cathedral in Washington,