Grain and soy markets were modestly higher overnight ahead of USDA's weekly export sales report and the National Oilseed Processor Association's (NOPA's) December crush report. However, early selling in the day session sent prices back into the red again. General Comments To the surprise of currency markets, the Swiss National Bank (SNB) announced it was ceasing efforts to hold the Swiss franc at 1.20 euros, a tie that had been in place for over three years. The SNB had been a frequent buyer of euros in this regard. Following the announcement, the euro dropped against the Swiss franc and the U.S. dollar. This helped push the U.S. Dollar Index back up near its recent highs. In the event that an asset-buying program is soon launched by the...