Walmart Just Posted Its Biggest One-Day Drop Since 2022. History Says What Its Big Drops Have Been Worth.

Walmart stock fell 9.2% on August 20, 2026, despite raising its full-year outlook, due to decelerating comparable sales growth (2.6% vs. 4.6% year-over-year). Historical analysis shows the company's three larger drops over 15 years were followed by modest 6-14% gains within a year, though the current valuation at 37x earnings and slowing growth suggest caution rather than a bargain opportunity.