About two hours after the day session opened, Chicago May wheat traded through its 20-day moving average at $5.05, and a volume of fund buy stop orders was immediately triggered. Wheat jumped higher, which led to some short covering in other markets. General Comments March contracts expire tomorrow (13 March), but they are mostly liquidated already. Open interest in them was very low as trade began today. It included 51 contracts of Chicago March wheat, 179 contracts of KC wheat, 1,429 contracts of corn, 848 contracts of soybeans, 306 meal contracts and 373 soyoil contracts.The soybean market is nervous about the anti-government political rallies in Brazil on Sunday and the possibility of some kind of fallout that might disrupt the soybea...