Lam Research (Nasdaq: LRCX) is expected to report Q3 earnings around April 23. 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 expand 27.1% and EPS will decrease -28.0%.

The average estimate for revenue is $837.7 million. On the bottom line, the average EPS estimate is $0.36.

Revenue details
Last quarter, Lam Research logged revenue of $860.9 million. GAAP reported sales were 47% higher than the prior-year quarter's $584.0 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 $0.45. GAAP EPS of $0.04 for Q2 were 85% lower than the prior-year quarter's $0.27 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 41.7%, 160 basis points better than the prior-year quarter. Operating margin was 5.7%, 230 basis points worse than the prior-year quarter. Net margin was 0.7%, 500 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $3.52 billion. The average EPS estimate is $1.97.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 341 members out of 368 rating the stock outperform, and 27 members rating it underperform. Among 108 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 100 give Lam Research a green thumbs-up, and eight 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 $42.35.

Is Lam Research 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.