FormFactor (Nasdaq: FORM) is expected to report Q4 earnings on Feb. 6. 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 FormFactor's revenues will grow 61.4% and EPS will remain in the red.

The average estimate for revenue is $48.8 million. On the bottom line, the average EPS estimate is -$0.28.

Revenue details
 Last quarter, FormFactor notched revenue of $41.3 million. GAAP reported sales were 21% lower than the prior-year quarter's $52.1 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 -$0.15. GAAP EPS were -$0.29 for Q3 compared to -$0.20 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 19.8%, 320 basis points worse than the prior-year quarter. Operating margin was -26.2%, 770 basis points worse than the prior-year quarter. Net margin was -35.1%, 1,610 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $179.7 million. The average EPS estimate is -$0.87.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 1,352 members out of 1,387 rating the stock outperform, and 35 members rating it underperform. Among 408 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 399 give FormFactor a green thumbs-up, and nine give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on FormFactor is outperform, with an average price target of $8.00.

Is FormFactor the best semiconductor stock for you? You may be missing something obvious. Check out the semiconductor company that Motley Fool analysts expect to lead "The Next Trillion-dollar Revolution." Click here for instant access to this free report.