One of the most consistent trading patterns over the long history of grain futures markets is described in the old cliché, “buy the rumor, sell the fact.”  In our also long experience there have been literally countless instances when bullish rumors of one sort or another have prompted traders to buy grain futures. That has been a common feature of grain futures markets. But when those rumors were confirmed to be true, many of those previous buyers quickly sought to sell the futures contracts they bought in response to the rumors. Once the bullish rumor is confirmed, short term speculative traders (we put many managed funds in this category) often try to immediately cash in any rumor-inspired paper profits they have...