Walmart's $10B self-checkout revamp triggers retail panic in 40 states

Walmart's sweeping reset of its self-checkout strategy is reshaping how millions of Americans move through the front of the store, and competitors are scrambling to keep up. Instead of a simple expansion or retreat, the retailer is selectively removing kiosks, tightening rules, and rethinking "smart" technology in ways that are already rippling across the broader...