Live feed18:15:00·179dPRReleasevia Quantisnow+4Ciena Set to Join S&P 500; Arrowhead Pharmaceuticals to Join S&P MidCap 400; ADT and OneSpaWorld Holdings to Join S&P SmallCap 600ByQuantisnow·Wall Street's wire, on your screen.ADT· ADT Inc.ARWR· Arrowhead Pharmaceuticals Inc.CIEN· Ciena CorporationDAY· Dayforce Inc.DVAX· Dynavax Technologies CorporationOSW· OneSpaWorld Holdings LimitedConsumer DiscretionaryHealth CareUtilities