Litigation RiskThe Delaware Supreme Court's acceptance of GSK’s appeal request for the Delaware District court Daubert ruling has led to approximately 73,000 Zantac claims progressing to trial, causing a sharp correction in GSK shares.
Market Share DeclineGSK expects its US market share of RSV to drop to around 66% from 70% as the new RSV season progresses, due to contracting dynamics.
Product Pipeline WeaknessGSK's relatively weak late-stage pipeline raises concerns about its ability to sustain future growth, especially as key franchises like Shingrix and Dolutegravir peak.