Tyson Foods Inc. surged the most in more than two years after beating fiscal fourth-quarter earnings estimates and projecting stronger results next year, with a turnaround in its chicken business offsetting losses in beef.

Tyson Foods Inc. surged after beating fourth quarter earnings and projecting stronger results next year, with a turnaround in its chicken business offsetting losses in beef.

Tyson Foods beat Wall Street expectations for fourth-quarter results on Tuesday, as lower costs and strong demand for its pork and beef products helped offset slowdown in the chicken segment, sending its shares up 6% before the bell.