📝 Executive Summary
Novartis shares suffered their worst trading day on record, falling 10.9% after the experimental drug del-desiran failed a late-stage trial for myotonic dystrophy. This setback, the third in a single week, erased $32 billion in market value and cast doubt on the company's long-term growth strategy. Despite the clinical failures, management reaffirmed its 5% to 6% annual sales growth target through 2030, pinning future hopes on the success of its remibrutinib pipeline.