ToplineShares of Tyson Foods rose modestly Monday after the company posted mixed results in its fourth quarter and reported chicken sales have reached a three-year high amid a drop in demand for beef as prices rise. The Tyson logo is displayed on a bag of frozen chicken nuggets on Nov. 12, 2024. Getty ImagesKey FactsTyson, the largest meat company in the U.S., on Monday reported $13.86 billion in sales for its last fiscal quarter, missing Wall Street's $14.11 billion sales estimate, but posted better adjust ...