Vaccine breakthrough stops cancer returning in trial BBCCancer vaccine from Moderna, Merck shows promise in late-stage trial; both stocks soar CNBCFrom Covid to Cancer: How Moderna’s Stock Jumped 177% in a Day The New York TimesWhy Did MRNA, MRK, TGT Stocks Jump To 52-Week Highs Today? Yahoo FinanceModerna’s 177% Surge Burns Shorts in ‘Painful’ $5.5 Billion Loss Bloomberg.com