AutoZone (NYSE: AZO) is expected to report Q3 earnings on May 21. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict AutoZone's revenues will grow 4.7% and EPS will grow 14.0%.

The average estimate for revenue is $2.21 billion. On the bottom line, the average EPS estimate is $7.16.

Revenue details
 Last quarter, AutoZone booked revenue of $1.86 billion. GAAP reported sales were 2.8% higher than the prior-year quarter's $1.80 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $4.78. GAAP EPS of $4.78 for Q2 were 15% higher than the prior-year quarter's $4.15 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 51.9%, 60 basis points better than the prior-year quarter. Operating margin was 17.1%, 40 basis points better than the prior-year quarter. Net margin was 9.5%, 20 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $9.13 billion. The average EPS estimate is $27.34.

Investor sentiment
 The stock has a two-star rating (out of five) at Motley Fool CAPS, with 395 members out of 559 rating the stock outperform, and 164 members rating it underperform. Among 148 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 115 give AutoZone a green thumbs-up, and 33 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on AutoZone is outperform, with an average price target of $409.15.

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