Related by context. Frequent words. (Click for all words.) 66 Health insurer Cigna 64 Cigna Corp. 60 insurer Aetna 59 Aetna AET 59 Mednax 58 Genworth Financial Inc. 58 Cigna 58 Health insurer WellPoint 57 insurer UnitedHealth 56 Cigna HealthCare 56 Humana HUM 56 UnitedHealth Group 55 Aetna 54 Apria Healthcare Group 54 Amerigroup Corp. 53 Centene Corp. 53 WellPoint WLP 53 health insurer WellPoint 53 Accredo Health 52 Humana NYSE HUM 52 insurer Humana 52 Bond insurer MBIA 52 Assurant NYSE AIZ 51 operator Tenet Healthcare 51 Caremark pharmacy 51 Morgan Stanley Healthcare Payor 51 Merge Technologies 51 Express Scripts ESRX 50 NightHawk Radiology Holdings 50 Psychiatric Solutions Inc. 50 Celgene Corp. 50 H. Edward Hanway 50 Luxury homebuilder Toll Brothers 50 RehabCare Group 50 Accretive Health 49 Kindred Healthcare Inc. 49 NYSE UHS 49 Triad Hospitals 49 Aetna NYSE AET 49 Excellus BlueCross BlueShield 49 FPIC Insurance Group 49 Gentiva Health 48 Optum 48 WellPoint NYSE WLP 48 NYSE AET 48 Visicu 48 CIGNA 48 AMN Healthcare Services 48 Pediatrix Medical Group 48 NYSE MCK 48 NYSE HCP 48 RAIT Financial Trust 48 AmerisourceBergen Corp. 48 Cigna Corp 48 WellPoint 47 Allscripts Healthcare Solutions 47 ABM Industries 47 HealthExtras 47 Kendle International 47 MedAmerica 47 CareCentrix 47 UnitedHealthcare 47 Lincare Holdings Inc. 47 UnitedHealth 47 Dutch insurer Aegon 47 CIGNA NYSE 46 Athenahealth 46 Per Se Technologies 46 Sirona Dental Systems 46 WellCare Health 46 ProxyMed 46 NYSE DVA 46 Odyssey HealthCare Inc. 46 Tenet Healthcare Corp. 46 Matria Healthcare 46 insurer 46 Duane Reade Holdings 46 Tokio Marine Holdings 46 Medicare Advantage membership 46 drugstore operator 46 Kindred Healthcare 46 Psychiatric Solutions 46 Walgreen Co. 45 CVS Caremark Corp. 45 NYSE MOH 45 USI Holdings 45 ProMutual Group 45 CareSource 45 drugmaker Merck 45 Online auctioneer eBay 45 Chindex International 45 SAN FRANCISCO EBay 45 TSX MFC 45 Medisys 45 NovaStar Financial Inc. 45 VCA Antech 45 AdvancePCS 45 Fresenius Medical 45 Bond insurer Ambac 45 CorVel 45 Sears Holdings Corp