HCA Healthcare is trading 4.52% lower at $444.21, though the cause of the current move remains unclear. - Third-quarter revenue was $19.85 billion, above estimates; adjusted earnings were $7.22 per share. - Management said uninsured-patient volume reduced pretax income by about $400 million and narrowed its full-year outlook to the upper half of its previous range. - Reporting described a positive initial share reaction. Major indexes were mixed, with none showing a comparable decline.