How Bad Would Shrinking Store Sales Be For Lowe's Stock?

Lowe's Companies (LOW) lowered its outlook on August 19, 2026. The retailer now expects roughly flat comparable sales, its like-for-like measure of store sales, for fiscal 2026. In May it had forecast 1% growth. Flat is not shrinking, but management also said cautious homeowners are holding back on do-it-yourself projects. The stock has lost 17.8% over the past year while the S&P 500 returned 17.4%. How close are Lowe's store sales to shrinking already.