Affymetrix (Nasdaq: AFFX) is expected to report Q2 earnings around July 31. 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 Affymetrix's revenues will expand 18.3% and EPS will come to zero.

The average estimate for revenue is $78.5 million. On the bottom line, the average EPS estimate is $0.00.

Revenue details
 Last quarter, Affymetrix reported revenue of $77.9 million. GAAP reported sales were 19% higher than the prior-year quarter's $65.2 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 -$0.01. GAAP EPS were -$0.22 for Q1 compared to -$0.06 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 57.2%, 90 basis points worse than the prior-year quarter. Operating margin was -3.6%, 150 basis points better than the prior-year quarter. Net margin was -19.8%, much worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $318.7 million. The average EPS estimate is $0.02.

Investor sentiment
 The stock has a two-star rating (out of five) at Motley Fool CAPS, with 341 members out of 405 rating the stock outperform, and 64 members rating it underperform. Among 101 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 88 give Affymetrix a green thumbs-up, and 13 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Affymetrix is hold, with an average price target of $4.94.

Looking for alternatives to Affymetrix? It takes more than great companies to build a fortune for the future. Learn the basic financial habits of millionaires next door and get focused stock ideas in our free report, "3 Stocks That Will Help You Retire Rich." Click here for instant access to this free report.