There’s little in retailing that Walmart Inc. and Target Corp. aren’t prepared to handle. So it was jarring that over a 24-hour period the two scions of the trade posted weak first-quarter profits that appeared to blindside management at both.
Part of the bottom-line blowup was due to fuel, which soared to record highs following Russia’s Feb. 24 invasion of Ukraine. Part of it was due to margin pressures caused by an unfavorable sales mix as consumers shifted their buying from higher-margin...