The first full day of the Trump Presidency saw CBOT grain futures surge as the U.S. dollar pulled back sharply. Corn, wheat, and soybeans all saw strong buying influences after the long U.S. holiday weekend with traders seeing bullish news from several points. The first point was President Trump’s apparent decision to delay applying tariffs to a slate of U.S. goods. That brought significant relief that U.S. grain exports might not suffer another “trade war” as they did in 2018, though Trump has vowed to apply tariffs against Canada and Mexico starting 1 February. Next was the bullishness reflected in funds’ positioning in grains, per the latest CFTC report. Funds continued to expand long positions in corn and flipped...