S&P announces changes to S&P 600 index at open on 3/20

Kennedy-Wilson Holdings (KW), Atlantic Union Bankshares (AUB), NexTier Oilfield Solutions (NEX) and Radian Group (RDN) will replace WW International (WW), Franklin Street Properties (FSP), Motorcar Parts of America (MPAA) and Universal Electronics (UEIC) respectively in the S&P SmallCap 600.