Grain futures were mostly higher Wednesday on the Chicago Board of Trade. Sept. corn was up 0.5 cent at $4.18 a bushel. Sept. wheat was up 0.5 cent at $5.65 a bushel. Sept. oats ...

Grain futures were mixed in early trading Wednesday on the Chicago Board of Trade. Sept. corn was off 3 cents at $4.03 a bushel. Sept. wheat was down 3.5 cents at $5.46 a bushel.

Grain futures have been under pressure in recent weeks, driven by optimal weather in U.S. crop-growing areas. But the drift lower in prices has allowed for traders to engage in bargain buying, which ...