Chicago Board of Trade wheat futures fell early on Wednesday as traders locked in profits following a rally earlier in the week. At 10:01 am CDT (1501 GMT), CBOT December wheat was down 3-3/4 cents at $4.56-1/2 a bushel. December corn down 1/2 cent at $3.57-3/4 a bushel. November soyabeans down 1 cent at $9.09 a bushel.