Sector Update: Healthcare Stocks Rise Pre-Bell Monday

09:16 AM EDT, 08/24/2026 (MT Newswires) -- Healthcare stocks were rising pre-bell Monday, with the State Street Health Care Select Sector SPDR ETF (XLV) up 0.4% and the iShares Biotechnology ETF (IBB) gaining 0.2%. Guardant Health (GH) lost a $245.2 million patent infringement lawsuit filed by TwinStrand Biosciences and the University of Washington, TwinStrand said. Guardant Health stock was down more than 2% premarket. United Therapeutics (UTHR) shares were up more than 1% after the company said the US Food and Drug Administration accepted its new drug application for ralinepag to treat pulmonary arterial hypertension. Regenxbio (RGNX) stock was down more than 21% after the company said it does not plan to resubmit the biologics license application for its investigational gene therapy RGX-121 for Hunter syndrome in the near term following a US Food and Drug Administration clinical hold.