NuStar Energy (NYSE: NS) is expected to report Q2 earnings on July 27. 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 NuStar Energy's revenues will improve 3.9% and EPS will decrease 40.3%.

The average estimate for revenue is $1.65 billion. On the bottom line, the average EPS estimate is $0.80.

Revenue details
Last quarter, NuStar Energy reported revenue of $1.74 billion. GAAP reported sales were 41% higher than the prior-year quarter's $1.23 billion.

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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 $0.23. GAAP EPS of $0.23 for Q1 were 23% lower than the prior-year quarter's $0.30 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 6.9%, 300 basis points worse than the prior-year quarter. Operating margin was 2.8%, 170 basis points worse than the prior-year quarter. Net margin was 1.5%, 80 basis points worse than the prior-year quarter.

Looking ahead
The full year's average estimate for revenue is $5.93 billion. The average EPS estimate is $2.55.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 341 members out of 357 rating the stock outperform, and 16 members rating it underperform. Among 111 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 110 give NuStar Energy a green thumbs-up, and one gives it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on NuStar Energy is hold, with an average price target of $60.36.

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