It is a new month today, and fund selling of the grains slackened, which allowed some price recovery overnight. This recovery carried over into the day session with the result that corn and wheat posted their biggest one-day price gains in some time. General Comments There is an old futures trading adage that advises getting out of poor trades quickly but letting good trades run. It is intended to counter the tendency to hang on to losing positions in the hope they will turn around and the tendency to take profits too soon on winning positions. Yesterday funds appeared to be following that advice by doubling down on their short positions in Chicago wheat and corn futures. Corn open interest jumped over 20,000 contracts due at least in par...