Rudolph Technologies (Nasdaq: RTEC) is expected to report Q1 earnings on May 2. 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 Rudolph Technologies's revenues will grow 0.3% and EPS will compress -44.4%.

The average estimate for revenue is $45.8 million. On the bottom line, the average EPS estimate is $0.05.

Revenue details
 Last quarter, Rudolph Technologies logged revenue of $54.3 million. GAAP reported sales were 24% higher than the prior-year quarter's $43.6 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 $0.17. GAAP EPS of $0.89 for Q4 were 368% higher than the prior-year quarter's $0.19 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 52.6%, much about the same as the prior-year quarter. Operating margin was 13.6%, much better than the prior-year quarter. Net margin was 53.4%, much better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $231.8 million. The average EPS estimate is $0.75.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 92 members out of 98 rating the stock outperform, and six members rating it underperform. Among 25 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 23 give Rudolph Technologies a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Rudolph Technologies is buy, with an average price target of $14.70.

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