For now, grain and soy markets are mainly about the ongoing trade talks with China, its purchases of soybeans and possibly grain, and South American weather. Even if one gives a bullish interpretation to all these factors, though, futures prices cannot go up forever. The soybean market discovered that today. Overnight trading found soybean prices slightly higher as were wheat and corn prices. However, after gaining more than 45 cents during the last several days, the soybean market was due for a pause, and that is what it got during the day session. As momentum seemed to peak at around $9.26 basis March soybeans, funds turned sellers to help soybean prices trade lower for the day before closing down mostly 5-6 cents. China is seen as havin...