Healthcare stocks rose late Tuesday afternoon, with the NYSE Healthcare Index adding 0.5% and the State Street Health Care Select Sector SPDR ETF (XLV) up 0.7%.
The iShares Biotechnology ETF (IBB) climbed 1.8%.
In corporate news, Amgen (AMGN) shares rose 4.3% after the firm reported positive topline results from its phase 3 trial of dazodalibep in adults with Sjogren's disease and moderate-to-severe systemic disease activity.
Beta Bionics (BBNX) shares gained 4.1% after it reported Tuesday a partnership to integrate its iLet Bionic Pancreas and Mint automated insulin delivery systems with Senseonics' (SENS) Eversense 365 continuous glucose monitoring system. Senseonics shares were up 2.9%.
Viking Therapeutics (VKTX) shares surged 35% after the firm said Tuesday VK2735 showed "superior weight maintenance" under less frequent dosing regimens compared with a placebo over 12 weeks in a clinical study.
Compass Therapeutics (CMPX) shares fell nearly 32% after the firm said the FDA recommended a new trial showing survival benefit before submitting a biologics license application for tovecimig in patients with previously treated, advanced biliary tract cancer.