Once again, coronavirus dominated the market’s psychology and action after the WHO identified the new southern Africa strain as a “variant of concern” due to increased risk of reinfection. U.S. stock futures opened sharply lower when overnight trading began, with the Dow futures starting 800 points in the red. From there, trading was all about a “risk off” attitude and position liquidation. The S&P 500 and Dow both posted their worst Black Friday losses in history, ending 2.3 percent lower.  The CBOT was hardly immune from the macro-market selling and nearly all ag futures gapped sharply lower at the opening. From there, it was a mix of continued selling and some markets (corn, wheat, and cattle, in p...