JA Solar Holdings (Nasdaq: JASO) reported earnings yesterday. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended Dec. 31 (Q4), JA Solar Holdings crushed expectations on revenues and missed expectations on earnings per share.

Compared to the prior-year quarter, revenue shrank significantly and GAAP earnings per share contracted to a loss.

Margins dropped across the board.

Revenue details
JA Solar Holdings tallied revenue of $309.1 million. The 10 analysts polled by S&P Capital IQ predicted a top line of $242.7 million on the same basis. GAAP reported sales were 47% lower than the prior-year quarter's $584.9 million.

My

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

EPS details
Non-GAAP EPS came in at -$0.11. The 10 earnings estimates compiled by S&P Capital IQ predicted -$0.10 per share on the same basis. GAAP EPS were -$0.39 for Q4 against $0.69 per share for the prior-year quarter.

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 0.5%, 1,870 basis points worse than the prior-year quarter. Operating margin was -9.5%, 2,480 basis points worse than the prior-year quarter. Net margin was -22.1%, 4,240 basis points worse than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $239.9 million. On the bottom line, the average EPS estimate is -$0.16.

Next year's average estimate for revenue is $1.36 billion. The average EPS estimate is -$0.35.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 1,643 members out of 1,741 rating the stock outperform, and 98 members rating it underperform. Among 258 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 236 give JA Solar Holdings a green thumbs-up, and 22 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on JA Solar Holdings is underperform, with an average price target of $2.28.

New mobile devices are changing the game, and potential profitability, at many semiconductor companies. Some will fail, some will tread water, and those in the right devices will shine. Where does JA Solar Holdings fit in? Who will lead going forward? Check out "3 Hidden Winners of the iPhone, iPad, and Android Revolution." Click here for instant access to this free report.