Markets & Economy Moderna’s Cancer Vaccine Rally Sparks Rare Sell Rating and Projected 45% Stock Drop September 3, 2026 · 3:16 pm 1 sources Image: Yahoo Finance ad slot · in-content video 16:9 Coverage More coverageModerna’s Cancer Vaccine Rally Sparks Rare Sell Rating and Projected 45% Stock DropYahoo Finance · September 3, 2026 15:16