SPX (NYSE: SPW) is expected to report Q1 earnings around Feb. 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 SPX's revenues will grow 3.3% and EPS will grow 17.4%.

The average estimate for revenue is $1.20 billion. On the bottom line, the average EPS estimate is $0.27.

Revenue details
 Last quarter, SPX logged revenue of $1.44 billion. GAAP reported sales were much higher than the prior-year quarter's $581.2 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 $2.18. GAAP EPS of $2.83 for Q4 were 130% higher than the prior-year quarter's $1.23 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 28.0%, 40 basis points better than the prior-year quarter. Operating margin was 9.0%, 640 basis points worse than the prior-year quarter. Net margin was 9.8%, 100 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $5.26 billion. The average EPS estimate is $5.00.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 167 members out of 178 rating the stock outperform, and 11 members rating it underperform. Among 48 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 45 give SPX a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on SPX is outperform, with an average price target of $78.18.

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