Alpha Natural Resources (NYSE: ANR) is expected to report Q2 earnings on Aug. 8. 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 Alpha Natural Resources' revenues will increase 11.5% and EPS will shrink to a loss.

The average estimate for revenue is $1.78 billion. On the bottom line, the average EPS estimate is -$0.32.

Revenue details
Last quarter, Alpha Natural Resources booked revenue of $1.93 billion. GAAP reported sales were 71% higher than the prior-year quarter's $1.13 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, non-GAAP EPS came in at -$0.27. GAAP EPS were -$0.13 for Q1 compared to $0.41 per share for the prior-year quarter.

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 16.3%, 840 basis points worse than the prior-year quarter. Operating margin was -0.7%, 970 basis points worse than the prior-year quarter. Net margin was -1.5%, 590 basis points worse than the prior-year quarter.

Looking ahead
The full year's average estimate for revenue is $7.33 billion. The average EPS estimate is -$1.06.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 864 members out of 921 rating the stock outperform, and 57 members rating it underperform. Among 161 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 143 give Alpha Natural Resources a green thumbs-up, and 18 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Alpha Natural Resources is outperform, with an average price target of $25.20.

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