Lam Research (Nasdaq: LRCX) is expected to report Q1 earnings around Oct. 16. 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 Lam Research's revenues will grow 32.8% and EPS will compress -34.9%.

The average estimate for revenue is $903.6 million. On the bottom line, the average EPS estimate is $0.41.

Revenue details
 Last quarter, Lam Research booked revenue of $741.8 million. GAAP reported sales were 1.4% lower than the prior-year quarter's $752.0 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 $0.60. GAAP EPS of $0.13 for Q4 were 87% lower than the prior-year quarter's $1.01 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 40.2%, 480 basis points worse than the prior-year quarter. Operating margin was 10.5%, 1,060 basis points worse than the prior-year quarter. Net margin was 2.4%, 1,430 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $3.87 billion. The average EPS estimate is $2.45.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 344 members out of 371 rating the stock outperform, and 27 members rating it underperform. Among 105 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 96 give Lam Research 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 Lam Research is outperform, with an average price target of $48.12.

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