The CBOT opened higher overnight and finished with strong gains before heading into the morning’s open. At the end of the overnight session, corn was up nearly 9 cents, soybeans were 12 cents higher, and wheat futures were up 8-10 cents. Yesterday’s rally on China-buying rumors was the primary catalyst for the overnight strength.  The CBOT opened higher this morning, supported by sales of HRW wheat, FOB Gulf corn, and PNW soybean sales to China. Short covering was dominant as the reality of bargain-buying after the recent selloff unnerved holders of recently acquired short positions. As the day wore on, however, “buy the rumor sell the fact” trade developed, which left corn weaker and capped rallies in wheat an...