Supertex (Nasdaq: SUPX) is expected to report Q3 earnings on Jan. 22. 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 expand 1.3% and EPS will grow 500.0%.

The average estimate for revenue is $14.3 million. On the bottom line, the average EPS estimate is $0.06.

Revenue details
 Last quarter, Supertex recorded revenue of $15.9 million. GAAP reported sales were 6.1% lower than the prior-year quarter's $17.0 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 $0.12. GAAP EPS of $0.06 for Q2 were 57% lower than the prior-year quarter's $0.14 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 46.2%, 410 basis points worse than the prior-year quarter. Operating margin was 2.2%, 1,310 basis points worse than the prior-year quarter. Net margin was 4.3%, 580 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $61.0 million. The average EPS estimate is $0.38.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 92 members out of 103 rating the stock outperform, and 11 members rating it underperform. Among 29 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 27 give Supertex a green thumbs-up, and two 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 $20.75.

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