GT Advanced Technologies (Nasdaq: GTAT) is expected to report Q3 earnings on Nov. 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 GT Advanced Technologies's revenues will drop -46.2% and EPS will decrease -100.0%.

The average estimate for revenue is $117.1 million. On the bottom line, the average EPS estimate is $0.00.

Revenue details
 Last quarter, GT Advanced Technologies chalked up revenue of $167.3 million. GAAP reported sales were 28% lower than the prior-year quarter's $231.1 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 $0.16. GAAP EPS of $0.12 for Q2 were 71% lower than the prior-year quarter's $0.41 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 36.0%, 1,310 basis points worse than the prior-year quarter. Operating margin was 14.8%, 1,950 basis points worse than the prior-year quarter. Net margin was 8.8%, 1,370 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $921.0 million. The average EPS estimate is $1.28.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 596 members out of 640 rating the stock outperform, and 44 members rating it underperform. Among 100 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 85 give GT Advanced Technologies a green thumbs-up, and 15 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on GT Advanced Technologies is outperform, with an average price target of $8.82.

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