The CBOT was mixed in low-volume trade with corn and soybeans turning lower while wheat traded a volatile day and ended slightly higher. Energy markets were weaker, which pressured soyoil and soybeans, but commercial users took the recent break in soymeal to book physical needs. The October WASDE is coming next week, and there was an air of pre-report positioning in today’s trade. The October report will feature the first yield report largely derived from actual harvest data and, as such, often sets the market’s tone heading into winter.  Funds are thought to have sold some 8,000 contracts of corn and 5,000 contracts of soybeans while adding 7,000 contracts to their wheat longs. Funds were largely spreading soyoil/soymeal,...