Grains end higher for a third day on speculative short covering and corrective buying.  However, wheat is still putting in risk premium and pulling corn and soybeans along.  Technically the markets have climbed above some key moving averages so is this the start of a bigger rally?  Plus, live cattle take a breather after running into chart resistance, while feeders and hogs continued higher.  Will hogs run back to contract highs?  DuWayne Bosse, Bolt Marketing, has the answers.