Moderna Stock (MRNA) Today: Shares Cool Off After a Late-December Spike as Investors Focus on Bird Flu Funding, mNEXSPIKE’s EU Path, and 2026 Growth Targets
Moderna shares fell 7.48% to $32.29 on Dec. 23 after a sharp rally earlier in the week. The drop followed news of up to $54.3 million in CEPI funding for its bird flu vaccine, with a Phase 3 trial set for early 2026. The stock’s volatility contrasted with broader market gains, as investors reacted to recent headlines and year-end trading dynamics.