InvestmentsTop Global NewsMarketsReal Estate Smithfield Foods to restart South Dakota pork plant from May 7 By financialnews_rlv83x - May 7, 2020 0 89 Smithfield Foods Inc will restart its plant in Sioux Falls, South Dakota from May 7 after being idled for more than three weeks due to the coronavirus outbreak, the world’s biggest pork processor said late on Wednesday.