CHICAGO (AP) — Grain futures were higher Thursday on the Chicago Board of Trade. Wheat for Sept. gainedl 2.75 cents at 5.0575 bushel; Sept. corn rose 8.50 cents at 3.91 bushel; Sept. oats was up 2.75 cents at $2.9575 a bushel; while Aug. soybeans advanced 1350.25 cents at $10.1325 a bushel. Beef and pork were lower on the Chicago Mercantile Exchange.