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.

Tyson Foods beat analyst estimates in its fiscal fourth-quarter with net income of $357 million, reversing a loss of $450 million a year ago. Adjusted earnings per share was

Earnings per share came to $1, up from a loss of $1.31 a year ago. Earnings, adjusted for non-recurring gains, were 92 cents per share.

Led by increased volumes and higher prices in its beef division, Tyson Foods (NYSE:TSN) earned a profit of $0.92 per share in the fiscal fourth quarter, nearly 2.5x more than the same quarter last year,