Funds continue to add length to positions in CBOT markets, most notably in soyoil and wheat today. Spot soyoil futures hit an eight-year high on Wednesday while fund buying lifted wheat futures above key resistance levels. Kansas City wheat settled at new contract highs while Chicago wheat is edging closer to its contract high. Concerns about dry weather in southern Brazil and Argentina, combined with the delayed Brazilian soybean harvest and possible disease issues supported corn and soybean futures as well.  Funds are thought to have bought 10,000 contracts of soybeans and 12,000 contracts of corn along with 7,000 contracts of wheat. Managed money also likely secured some 20,000 contracts of soyoil while remaining flat soymeal.&nbsp...