Corn again struggled to follow the strong rallies in wheat and soybeans today. The trade apparently believes the wet conditions haven't affected corn acres or ratings, although the market is talking about a slight drop in the latter. General Comments Markets were mostly mixed overnight, but wheat and soybeans opened higher with corn not showing much action. The soy complex continued to build some steam and pushed to double-digit gains. Wheat followed soybeans, while corn continued to trade sluggishly. It took gains of 15-16 in soybeans and 10-14 in wheat to push corn 3-4 higher. Fund buying in soybeans was fueled by concerns about weather as well as acres and crop ratings. The same issues surround the U.S. winter wheat crop as the harvest...