Compañía de Minas Buenaventura S.A.A. (NYSE: BVN) reported earnings on April 30. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Compañía de Minas Buenaventura S.A.A. whiffed on revenues and missed estimates on earnings per share.

Compared to the prior-year quarter, revenue dropped. GAAP earnings per share contracted significantly.

Margins contracted across the board.

Revenue details
Compañía de Minas Buenaventura S.A.A. notched revenue of $354.7 million. The three analysts polled by S&P Capital IQ wanted to see a top line of $411.4 million on the same basis. GAAP reported sales were 5.9% lower than the prior-year quarter's $377.0 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
EPS came in at $0.40. The six earnings estimates compiled by S&P Capital IQ predicted $0.64 per share. GAAP EPS of $0.40 for Q1 were 51% lower than the prior-year quarter's $0.82 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 52.7%, 930 basis points worse than the prior-year quarter. Operating margin was 16.8%, much worse than the prior-year quarter. Net margin was 28.9%, much worse than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
Next quarter's average estimate for revenue is $366.5 million. On the bottom line, the average EPS estimate is $0.51.

Next year's average estimate for revenue is $1.65 billion. The average EPS estimate is $2.64.

Investor sentiment
The stock has a two-star rating (out of five) at Motley Fool CAPS, with 756 members out of 794 rating the stock outperform, and 38 members rating it underperform. Among 99 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 84 give Compañía de Minas Buenaventura S.A.A. a green thumbs-up, and 15 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Compañía de Minas Buenaventura S.A.A. is hold, with an average price target of $33.10.

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