Moderna shares jump sharply after the company reports positive Phase 3 results for an mRNA cancer vaccine aimed at melanoma. Multiple outlets describe the rally as among the stock’s most dramatic moves in years, with gains reported from roughly 100% to as high as 177% shortly after the announcement. Investors react to the prospect that the treatment could improve outcomes versus the existing standard of care.

As the news spreads, some outlets focus on the scale of investor enthusiasm and the implications for a potential personalized cancer-treatment approach. The Financial Times compares the reaction to “pandemic mania,” while Decrypt highlights that a Phase 3 win drives the move. Other coverage emphasizes that the surge triggers profit-taking and reassessment: NDTV and Yahoo Finance report a subsequent correction or sell-off, and Yahoo Finance also notes a rare sell rating and a forecasted pullback. Forbes describes a larger retracement, framing it as part of how markets adjust quickly to big biotech headlines.

Overall, sources agree the trial results spark a rapid, high-volume repricing of Moderna’s shares, followed by volatility as analysts and investors evaluate durability, next steps, and risk.