Macy's is making significant changes to its operations. On Monday, the retailer named a new president, and announced it will be cutting 100 jobs. The company is also combining its merchandising, planning, and private brand units into one division. Shares of Macy's were up on Tuesday on the news. Barrett PR CEO Jeff Barrett says Macy's needs to focus on the three or four things it does extremely well, as well as get leaner by closing some stores.