Macy's ( M 1.78% ) plans to close 68 locations in 2017, and Sears Holdings ' ( SHLDQ ) Kmart brand plans to shutter 108 stores (though the numbers for both could go higher, and Sears has a significant risk of filing for bankruptcy protection). The impact of those closings will present both positives and negatives, not only for the companies shutting down the stores, but also for consumers and competitors.