Beef prices keep rising, while chicken and pork prices fell, Tyson Foods said

Shares of Tyson Foods Inc. seesawed back into the red Monday, after the meats company missed sales expectations again, as prices fell and volume declined for the first time in a year.

While profit beat expectations to snap a five-quarter streak of misses, the company, with food brands including Tyson, Hillshire Farm, Jimmy Dean and Ball Park, provided a full-year sales outlook that was below Wall Street expectations.

“While we…