Last half December is generally quiet and rangebound in the markets as the B Team is instructed to ride out the holidays in a caution mode. Except for the higher volume today in SRW on fears of an Arctic vortex, volume in corn and the soy complex was down by a third.  That makes the market easily pushed around and it was the sullen mood on Wall Street that provided the damper today. Yesterday’s staunch and hawkish stance by the Fed coupled with today’s retail sales report showing a pullback in November was enough to reinforce dread about the future. U.S. retail sales grew, especially for food and restaurants, but the pace was slower, and a real Grinch was falling manufacturing output.  The result was the Dow, S&P...