AutoZone (NYSE: AZO) closed at $3,100.11 on Tuesday, May 26, 2026, down $306.39 or 8.99%, after reporting third-quarter fiscal 2026 results that paired strong domestic execution with a sharp slowdown in international same-store sales when stripped of currency translation. The stock touched an intraday low of $3,001.00, setting a fresh 52-week low against a high of $4,388.11 hit earlier in the year.
The headline numbers, disclosed in the company’s 8-K press release filed with the SEC, did not look like a miss at first glance. Net sales rose 8.4% year over year to $4.8 billion, diluted earnings per share grew to $38.07 from $35.36, and operating profit climbed 6.6% to $923.8 million. But the composition of comps and the trajectory of the international business reset expectations for the back half of fiscal 2026.
The split investors fixated on: reported vs constant-currency
AutoZone’s same-store sales line tells two very different stories depending on whether foreign-exchange tailwinds are stripped out:
| Same-store sales (12 weeks ended May 9, 2026) | As reported | Constant currency |
|---|---|---|
| Domestic | +4.1% | +4.1% |
| International | +16.6% | +1.6% |
| Total Company | +5.5% | +3.9% |
The 15-percentage-point gap between reported and constant-currency international comps is the single most important number in the release. A weakening Mexican peso and Brazilian real translated local growth of roughly 1.6% into a 16.6% headline. CEO Phil Daniele addressed it directly in the release, noting that international sales “continued to be challenged as both Mexico and Brazil performed similarly to last quarter” and that international results have been “below our plan,” even as the company believes it is gaining share against local competitors.
The implication for analysts: the company’s multi-year build-out in Mexico (933 stores) and Brazil (157 stores) is producing organic growth in the low single digits, well below the historical double-digit pace AutoZone had set as an investment thesis for its international segment.
Domestic momentum and a small gross-margin dent
The US business, which still drives the overwhelming majority of revenue across AutoZone’s 6,766 domestic stores, performed cleanly. Daniele highlighted that “both DIY and Commercial sales grew impressively this past quarter” alongside operating-expense leverage that pushed the operating margin north of 19%.
Gross margin came in at 52.2% of sales, down 57 basis points year over year. AutoZone attributed the compression to a 77-basis-point non-cash LIFO impact, partially offset by other gross-margin improvements. LIFO (last-in, first-out) inventory accounting tends to penalize margins when input prices rise, since the most recently purchased — and most expensive — inventory is matched against current revenue first. The 77 bps drag suggests AutoZone is still working through inflation in parts and freight that had previously rolled off.
Capital return: another half-billion in buybacks
The capital-return engine kept turning. During the quarter, AutoZone repurchased 164,000 shares at an average price of $3,582 each, for a total outlay of $586.3 million, with $0.8 billion left under the current authorization. The company has been one of the most consistent practitioners of high-conviction buybacks among S&P 500 retailers, having shrunk its share count materially over the past decade.
Sympathy move in the sector
The selling did not stay contained to AutoZone. Closest competitor O’Reilly Automotive (NASDAQ: ORLY) closed down 2.04% on the same session, as traders worked through what slowing international comps and rising LIFO drag could mean for the broader auto-aftermarket complex. AutoZone’s read is not a perfect proxy for ORLY — ORLY’s international footprint is smaller — but the LIFO commentary applies to the category, and any sign of softening DIY demand into the second half of the calendar year would weigh on both.
Inventory build, store openings, and what to watch next
Inventory rose 10.8% year over year, ahead of the 8.4% top-line growth, which the company tied to growth initiatives and inflation. Net inventory per store moved to a less-negative $107,000 (a sign the gap between inventory and payables is closing, working capital that AutoZone has historically managed tightly).
Store growth came in line with plan: 82 net new stores in the quarter (57 US, 20 Mexico, 5 Brazil), keeping the company on track for 355–365 new locations for full-year FY2026. Total store count stands at 7,856 globally.
For the back half of fiscal 2026, the two questions investors will want answered on the conference call (and in the Q4 release): how quickly the LIFO headwind unwinds, and whether constant-currency international comps can re-accelerate from 1.6% as Mexico and Brazil cycle through prior-year compares. The full conference-call discussion is being webcast from AutoZone’s investor relations site.
Sources
- AutoZone Inc. — Q3 FY2026 press release (8-K, Exhibit 99.1), filed May 26, 2026 via the SEC.
- SEC EDGAR — AutoZone 8-K filing index, May 26, 2026.
- Yahoo Finance — AutoZone (AZO) quote page, May 26, 2026 close.
- Yahoo Finance — O’Reilly Automotive (ORLY) quote page, May 26, 2026 close.
- AutoZone Inc. — corporate news & investor relations site.
Disclosure: This article was produced with AI assistance and reviewed before publication. It is for informational purposes only and is not investment advice.