Rockwood Holdings (NYSE: ROC) is expected to report Q1 earnings on April 30. 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 Rockwood Holdings's revenues will wane -0.1% and EPS will wither -45.5%.

The average estimate for revenue is $908.7 million. On the bottom line, the average EPS estimate is $0.67.

Revenue details
 Last quarter, Rockwood Holdings booked revenue of $829.0 million. GAAP reported sales were 1.8% higher than the prior-year quarter's $814.4 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 $0.47. GAAP EPS of $0.27 for Q4 were 66% lower than the prior-year quarter's $0.79 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 27.1%, 860 basis points worse than the prior-year quarter. Operating margin was 8.4%, 670 basis points worse than the prior-year quarter. Net margin was 2.6%, 510 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $3.68 billion. The average EPS estimate is $3.69.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 337 members out of 352 rating the stock outperform, and 15 members rating it underperform. Among 112 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 111 give Rockwood Holdings 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 Rockwood Holdings is outperform, with an average price target of $53.13.

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