Farmers know every year they’re going to encounter surprises from things out of their control, like drought or pests. This year, great growing conditions led to a bin-busting soybean harvest, but a tit-for-tat exchange of tariffs with China meant that country went from being a major buyer to virtually ignoring U.S. soybeans.

In this week's Legal Issues in the News, commentator Verity Winship looks at the flash crash of 2010 and the case against the man who was allegedly behind it.