General Mills is trading 9.16% up now at $39.13 after broader market gains, with no company-specific catalyst clearly explaining the after-hours surge.

  • It closed at $35.85 on September 11, 2026.
  • The S&P 500 rose 0.90%, the Nasdaq gained 0.85%, and the Dow advanced 1.04%.
  • General Mills recently reaffirmed fiscal 2027 guidance, but that update preceded the move and does not directly explain its magnitude.