Markets & Economy Royalty Pharma (RPRX): Can Downside Protection Offset Pelacarsen’s Phase 3 Failure? September 10, 2026 · 6:20 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageRoyalty Pharma (RPRX): Can Downside Protection Offset Pelacarsen’s Phase 3 Failure?Yahoo Finance · September 10, 2026 18:20