Supertex (Nasdaq: SUPX) is expected to report Q1 earnings on July 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 Supertex's revenues will compress -4.1% and EPS will expand 145.5%.

The average estimate for revenue is $15.4 million. On the bottom line, the average EPS estimate is $0.27.

Revenue details
 Last quarter, Supertex reported revenue of $14.6 million. GAAP reported sales were 11% lower than the prior-year quarter's $16.5 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 $0.18. GAAP EPS of $0.13 for Q4 were 30% higher than the prior-year quarter's $0.10 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 52.4%, 540 basis points better than the prior-year quarter. Operating margin was 6.8%, 540 basis points better than the prior-year quarter. Net margin was 10.4%, 270 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $66.0 million. The average EPS estimate is $0.79.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 93 members out of 104 rating the stock outperform, and 11 members rating it underperform. Among 32 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 31 give Supertex a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Supertex is outperform, with an average price target of $23.00.

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