On this week's earnings preview I wrote this in regards to Deere (DE):Major ag equipment player Deere (DE) - I don't own the equipment stocks anymore; at some point the rising cost of steel, petrol products and the like will be hurting the bottom line unless they can pass all the costs along to farmers - over the next year if inflation does not abate this is the type of company who could see profit margins squeezed simply from the constant increase in input costs.Here are the results - looks like a good call with the stock down 8%. Sometimes a rising tide (agriculture boom) does lift all boats. But sometimes you need to think farther ahead than that - as Wayne Gretzky says - don't be where the puck is, be where it's going to be. ("I ...