Grain and livestock markets close mixed.  Wheat continued to rally with KC and CH closing above key resistance on technical buying and global crop concerns.  Corn and soybeans could not follow and consolidated on planting progress.  Cattle close above chart resistance working in higher cash and cutouts, hogs struggle technically.  And what caused the limit down day in milk futures?  John Heinberg, Total Farm Marketing, has analysis.  See omnystudio.com/listener for privacy information.