December corn and November soybeans have seen slight increases, while September wheat contracts are also up, driven by concerns over crop damage from a Midwest derecho and adverse weather in the Black Sea region. However, large supplies and uncertain Chinese demand limit gains. Wheat futures benefit from demand and short covering but face pressure from ample U.S. supplies and Russian competition. In livestock, August live and feeder cattle are down, whereas lean hogs are up. August crude oil has risen, the U.S. Dollar Index is down, and September S&P 500 futures have dropped, with a slight increase in September Dow futures.