CBOT corn and wheat gave back most or all of Tuesday’s gains as the latest weather forecasts offer better chances of rain and cooler weather heading into September. The weather shift will be particularly beneficial for soybeans but will also aid some of the last yield development in corn. Corn futures largely shrugged off news from Day 2 of the ProFarmer crop tour and instead chose to wait and focus on the results from Illinois and Iowa, which will be released later today. Wheat futures posted 12-14 cent gains but lacked much technical fanfare, though slow, steady fund buying was present. Wheat futures are also getting a boost from the drought in southwest China, complete with heatwaves reported to be the worst in 60 years, that is hu...