Walmart stock falls over 8% after rare quarterly sales miss

Walmart, the company that practically invented “everyday low prices,” just delivered a quarter that left Wall Street feeling anything but reassured. Shares tumbled roughly 8% in morning trading on May 21 after the retailer’s earnings report painted a picture of a consumer under pressure, despite top-line numbers that looked solid on paper.

The drop is notable because Walmart almost never misses. This marks one of the few quarters in recent memory where the world’s largest retailer failed to exceed bottom-line expectations, and the market’s reaction was swift and unforgiving.

The numbers behind the sell-off

Walmart’s fiscal first-quarter 2027 revenue came in at $177.8B, a 7% increase year-over-year that actually beat analyst estimates. Adjusted earnings per share landed at 66 cents, which matched Wall Street’s consensus. US comparable sales grew 4.1%, right at market estimates. Global e-commerce sales surged 26%, and the company’s advertising business posted 37% growth.

Guidance that rattled the room

Walmart projected second-quarter net sales growth of 4% to 5% and pegged full-year adjusted EPS at $2.75 to $2.85. Some analysts had been modeling closer to $2.91 for the full year.

CFO John David Rainey pointed to specific headwinds weighing on Walmart’s core customer base. Previous tax refunds had helped offset rising fuel costs earlier in the year, but that cushion is fading. Fuel gallon payments fell below 10 for the first time since 2022, a metric that signals lower-income consumers are pulling back on even basic spending categories. Rainey indicated that consumer pressure is likely to intensify in the months ahead.

What this tells us about the US consumer

Walmart’s results function as something close to an economic X-ray. The company captures spending data across income brackets, geographies, and product categories at a scale no government survey can match.

The company confirmed it is still gaining share. But gaining share while your core customers are spending less per trip is a bit like running faster on a treadmill that’s slowing down.

The 26% e-commerce growth rate offers a brighter counterpoint. The advertising business growing 37% also reflects Walmart’s push into higher-margin revenue streams. Traders should watch whether Walmart’s guidance proves conservative, as it has in past cycles, or whether it represents a genuine reset in growth expectations, and whether the e-commerce and advertising segments can grow fast enough to become a meaningful earnings driver. At 26% and 37% growth respectively, these segments still represent a fraction of Walmart’s total revenue base.

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