Tyson Foods Inc., the largest U.S. chicken producer, fell the most in nine months after a report that a suspected case of bird flu had been found in the company’s home state of Arkansas.
Tyson fell 5.1 percent at 10:19 a.m. in New York, after declining 6.1 percent, the most since June 9. JBS SA unit Pilgrim’s Pride Corp., the second-biggest producer, fell as much as 9 percent and Sanderson Farms Inc. dropped as much as 5.3 percent.
