It has taken a few days, but the effect of Tuesday’s USDA reports, which were seen as surprisingly bullish, seems to have largely worn off. Meanwhile, USDA/FAS’s weekly export sales report for the week ending 7 January was a bit better with corn and soybean sales topping expectations. General Comments Uncertainty breeds volatility, and volatility has dominated world financial markets so far in 2016. U.S. equity markets are doing their share in this regard. Yesterday the Dow posted its biggest loss since last September, plunging 364 points. Today it turned upward to post a gain of 227 points, its biggest one-day gain so far this year. The U.S. Dollar Index fell below 99.00 yesterday, but it came back to close above that today. Brent crude...