Advance Auto Parts Inc. (AAP) had a rough Thursday. The company reported second-quarter results that were a mixed bag, and the market decided to focus on the negatives. Shares crashed 25% to close at $42.39, even though the company actually beat on earnings and raised its full-year profit outlook.

Let's break it down. Adjusted EPS came in at $1.03, beating the consensus estimate of 81 cents. That's a solid beat. But sales of $2.00 billion fell short of the $2.039 billion analysts were looking for. And when you're a retailer, missing on the top line can sting, especially when the underlying demand picture looks shaky.

Business Performance

The quarter started off okay, with comparable sales growing about 1% in the first eight weeks. But then things softened in the final four weeks, and overall comparable sales declined 0.5% for the quarter. Pro sales grew low single digits as expected, but DIY sales declined low single digits. That's the crux of the problem: DIY demand is weak.

Why? Tighter household budgets, weaker discretionary spending, delayed large-ticket projects, and even weather-related softness. All of that combined created an estimated 100-150 basis-point headwind to comparable sales. In DIY, the maintenance and failure categories like filters, motor oil, and batteries did okay, but hard parts lagged as customers put off bigger projects.

On the Pro side, hard parts like brakes and undercar components outperformed, helped by better parts availability and more consistent delivery times. And Main Street Pro, the company's focus on independent repair shops, continued to shine, with comparable sales more than 200 basis points above total Pro comps. That's a good sign for market share gains.

Inflation is also a factor. Same-SKU inflation rose to about 4% from 3% in the first quarter, driven by market pricing and higher commodity costs, especially motor oil and petroleum products. Lower transaction volumes were partially offset by higher units per transaction on both a one- and two-year basis.

The company has been busy on the operational front. It added 80,000 SKUs in the first half of 2026, following 100,000 in 2025. Merchandising initiatives contributed about 100 basis points to product-margin expansion. And the big one: the distribution center consolidation is done, shrinking the network from nearly 40 facilities to just 15. That's a massive change.

Market Hubs are also a key part of the strategy. Five opened in the first half, bringing the total to 38, with 15-20 more planned for 2026 and a target of 60 by mid-2027. These hubs are designed to improve same-day parts availability, which is crucial for Pro customers.

Margins & Cash Flow

Despite the sales weakness, margins are expanding nicely. Adjusted gross margin expanded 240 basis points, supported by tariff refunds and stronger product margins, partially offset by higher freight and fuel costs. Adjusted operating income rose to $112 million from $61 million in the year-ago quarter. Adjusted operating margin reached 5.6%, up about 260 basis points year over year.

Cash flow is also turning around. Year-to-date free cash flow reached $120 million, marking a return to positive cash generation after two years of outflows. The company used $30 million to repurchase outstanding debt and ended the quarter with about $3.1 billion in cash. That's a healthy balance sheet.

Outlook

Looking ahead, Advance Auto Parts raised its fiscal year 2026 adjusted EPS guidance to $2.60-$3.30 from $2.40-$3.10. The consensus was $2.92, so the midpoint is roughly in line. The company maintained its sales outlook of $8.485 billion-$8.575 billion, versus the $8.581 billion estimate, and reaffirmed its full-year comparable sales growth forecast of 1%-2%.

Adjusted operating margin remains at 3.8%-4.5%, and gross margin is expected to expand 110-150 basis points to about 45% for the quarter. Tariff refunds are expected to add 30 basis points to gross margin, offset by sales mix and higher shipping, freight, and fuel costs.

On the store front, the company plans to open 30-35 stores in 2026, including six already opened, and 15-20 Market Hubs, with five opened in the first half and nine planned for the third quarter. The acceleration of Market Hub openings to reach 60 locations by mid-2027 is a key part of the strategy to improve same-day parts availability.

Management remains confident in reaching its medium-term 7% adjusted operating margin target. That's a big jump from the current 5.6%, but the company seems to have a clear plan.

In premarket trading on Friday, shares were up 0.59% at $42.64, according to market data. So maybe the sell-off was a bit overdone, or maybe investors are still digesting the news. Either way, it's been a wild ride for Advance Auto Parts shareholders.