Potash Corp. raises industrywide global shipment forecast.
Estimate increased by 2.2% from figure projected in June.
JBS, Marfrig and Minerva stand to gain record beef margins.
Trade chief says deal could add $52 billion in U.K. trade.
Two countries reach agreement on final protocol, USDA says.
Kansas beef packing plant Creekstone Farms has sold to a Japanese company for $170 million.