Walmart, the largest retailer and private employer in the U.S., will serve as a valuable tool in gauging inflation when it reports earnings Thursday. The retailer is a key indicator of how consumers are holding up, providing a sharper lens on household spending in comparison with the government's consumer price index, which showed that inflation ticked up more than expected in March. Ticker Security Last Change Change % WMT WALMART INC. 60.48 +0.04 +0.07% Telsey Advisory Group estimates the retail behemoth ...