Luminex (Nasdaq: LMNX) is expected to report Q3 earnings on Oct. 29. 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 Luminex's revenues will expand 13.2% and EPS will compress -12.5%.

The average estimate for revenue is $51.6 million. On the bottom line, the average EPS estimate is $0.07.

Revenue details
 Last quarter, Luminex booked revenue of $48.3 million. GAAP reported sales were 1.3% higher than the prior-year quarter's $47.6 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, EPS came in at $0.07. GAAP EPS of $0.07 for Q2 were 36% lower than the prior-year quarter's $0.11 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 71.3%, 30 basis points better than the prior-year quarter. Operating margin was 13.4%, 510 basis points worse than the prior-year quarter. Net margin was 6.1%, 360 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $207.6 million. The average EPS estimate is $0.34.

Investor sentiment
 The stock has a two-star rating (out of five) at Motley Fool CAPS, with 91 members out of 104 rating the stock outperform, and 13 members rating it underperform. Among 29 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 24 give Luminex a green thumbs-up, and five give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Luminex is outperform, with an average price target of $23.17.