TTM Technologies (Nasdaq: TTMI) is expected to report Q3 earnings on Oct. 30. 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 TTM Technologies's revenues will shrink -3.1% and EPS will contract -36.7%.

The average estimate for revenue is $347.1 million. On the bottom line, the average EPS estimate is $0.19.

Revenue details
 Last quarter, TTM Technologies notched revenue of $327.4 million. GAAP reported sales were 11% lower than the prior-year quarter's $366.1 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 $0.17. GAAP EPS were $0.09 for Q2 versus -$0.26 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 18.0%, 310 basis points worse than the prior-year quarter. Operating margin was 6.9%, 390 basis points worse than the prior-year quarter. Net margin was 2.3%, 800 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $1.34 billion. The average EPS estimate is $0.82.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 560 members out of 581 rating the stock outperform, and 21 members rating it underperform. Among 110 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 105 give TTM Technologies 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 TTM Technologies is buy, with an average price target of $14.58.