Grain and soy futures were mixed overnight with wheat trying to rally (again), soybeans a bit weaker and corn stuck in between. Trading volume was not impressive. Price weakness became more pervasive during the day session in light volume. At the close, only soyoil and MGEX wheat futures were higher. Funds continued to press across the board. They are now estimated to be short a combined 100,000-110,000 contracts of Chicago and KC wheat. Delivery intentions were about as expected. They included 400 lots of Chicago wheat, 910 contracts of corn, 820 of soybeans, 30 of soymeal and 475 of soyoil. There were no obvious strong stoppers for any of them. No deliveries of KC or MGEX wheat were intentioned. Export sales for the week ended 21 February...