Today the Dealbook points out that J. Crew's stock price has more than doubled. A few weeks ago the Times columnist dug into the little things the CEO Micky Drexler has done to turn around the company. You see it when you walk in their stores -- members of the staff are helpful. The layout's amazing and the clothes are much much more enticing than a year or two ago. Big or small, it's important for all business owners to focus on the little things like merchandising that can generate big returns in the long run.