The overnight trading session for grains and the soy complex opened with the backdrop of the biggest single-day decline of the Dow ever. It was not the biggest percentage loss, however. World stock markets were also trading down very sharply with most global stock indices giving up all of their 2018 gains. Grain prices were on both sides of Monday’s closes in relative calm and with small price changes even as the Dow futures gyrated downward again. The most visible impact of the wild and brutal stock market action on grain markets was the unusually large volume of overnight trade. Today was again volatile and scary for U.S. stocks. This morning the stock market opened 567 points lower and moved erratically up and down until finally s...