The CBOT saw aggressive selling pressure on Tuesday after China, Canada, and Mexico announced retaliatory tariffs against U.S. exports, including food and agricultural products. Markets dropped sharply in early trade, but a few, most notably corn, saw strength develop on “sell the rumor, buy the fact” trades. Corn managed to maintain support at a key technical level, which could help it stabilize heading into the weekend. The soy complex and wheat charts, however, remain incredibly weak and show few signs of ending the bearish onslaught.  Perhaps the biggest news of the day was that Chinese officials have pledged to “play along to the end” if the U.S. continues waging a trade war with tariffs. China responded Tu...