Tesco (Nasdaq: TESO) is expected to report Q1 earnings on May 6. 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 Tesco's revenues will drop -16.4% and EPS will shrink -29.7%.

The average estimate for revenue is $127.4 million. On the bottom line, the average EPS estimate is $0.26.

Revenue details
Last quarter, Tesco reported revenue of $137.6 million. GAAP reported sales were 16% lower than the prior-year quarter's $163.1 million.

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, non-GAAP EPS came in at $0.35. GAAP EPS of $0.34 for Q4 were 17% higher than the prior-year quarter's $0.29 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 21.6%, 30 basis points better than the prior-year quarter. Operating margin was 12.8%, 190 basis points better than the prior-year quarter. Net margin was 9.7%, 270 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $524.3 million. The average EPS estimate is $1.07.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 268 members out of 280 rating the stock outperform, and 12 members rating it underperform. Among 75 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 74 give Tesco a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Tesco is outperform, with an average price target of $13.57.

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