Link between corn and sugar remained steady on Tuesday at 0.16 while correlation with coffee edged lower to 0.49 as essential fall in the coffee crops is not expected. Tie between corn and wheat stayed at one-month high of 0.94 on the threats to global grain supplies. Meanwhile, link between corn and Standard Poor's SP500 remained weak at minus 0.01 while the commodity interchange with the pair EUR/USD was unchanged at minus 0.17 since the beginning of the week.