Macy's shares tumbled more than 9 percent after the market's closed Wednesday after it posted disappointing holiday sales and released the locations of 68 of the 100 stores it plans to close as it looks to turn around its performance. The retailer said it would eliminate about 3,900 jobs with the store closings, which are part of a plan announced last summer that will close about 100 of Macy’s 730 locations. CEO Terry Lundgren. Macy's expects the restructuring to save it about $550 million a year starting in 2017.