Sector Update: Healthcare Stocks Flat to Higher Premarket Tuesday

09:20 AM EDT, 10/20/2026 (MT Newswires) -- Healthcare stocks were flat to higher premarket Tuesday, with the iShares Biotechnology ETF (IBB) inactive and the State Street Health Care Select Sector SPDR ETF (XLV) advancing by 1%. Rapport Therapeutics (RAPP) stock was up 14% after the company said its experimental drug RAP-219 met the primary endpoint in a phase 2 trial for acute bipolar mania. Alvotech (ALVO) shares were up nearly 8% after the company said the US Food and Drug Administration has approved a new manufacturing process for Simlandi, its biosimilar to Humira. Johnson & Johnson (JNJ) stock was 0.8% higher after the company said it is launching its Shockwave C2 Aero Fly Coronary IVL Catheter in the US, designed to treat calcified coronary artery lesions in half the time of previous-generation devices.