Cereal maker WK Kellogg shares jump 50% on report of possible $3 billion deal with Ferrero
1. WK Kellogg shares rose over 50% on acquisition news. 2. Ferrero is close to a $3 billion deal for WK Kellogg. 3. Kellogg's legacy brands include Froot Loops and Frosted Flakes. 4. Kellanova houses separate snack brands from Kellogg. 5. The deal could finalize as soon as this week.