01:06Business MattersWalmart Credits US Tax Reform for Minimum Wage BoostBBC World Service Duration: 53 minutes Fri 12th Jan 2018, 01:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowThe US retail giant lifts hourly pay to $11 but also announces store closures Show more GenresNewsFormatsDiscussion & TalkBrandBusiness Matters Source: BBC Online