Stocks making the biggest moves in the premarket: Sanderson Farms, U.S. Foods, Tyson Foods and more – CNBC

Take a look at some of the biggest movers in the premarket:
Sanderson Farms (SAFM) The poultry producer agreed to be acquired for about $4.5 billion, or $203 per share, by privately-held food produc… [+3470 chars]