Walmart begins closing stores: What’s to blame? The closures by the nation's largest employer aren't because of retail's ugly downturn, a data analytics firm reveals, but because of something closer to home. Supercenters' surprising competitors »

Walmart begins closing stores: What’s to blame? The closures by the nation's largest employer aren't because of retail's ugly downturn, a data analytics firm reveals, but because of something closer to home. Supercenters' surprising competitors »