December Corn Testing $4.20 Support on Improved Conditions and AM Trump Tweets on US/China Trade

** AgResource Farm Marketing Advice for Monday: 1/ Corn Producers: Sell 20% the 2021 corn crop at $4.20 and 20% at $4.26 basis Dec 2021 corn futures. Some clients are filled at $4.20!                     ** AgResource Midday Market Analysis: Red is the color at midday with corn, soybeans and wheat enduring fresh selling pressure. Funds…