Strong Android demand boosts Amkor stock 15%

A silicon wafer.
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Shares of Amkor Technology popped about 13 percent on Tuesday as demand for Android phones boosted the semiconductor company's earnings.

The company, which focuses on outsourced chip packaging and testing for companies such as Qualcomm, reported earnings per diluted share of 2 cents on net sales of $917 million, the company said. The company said it expects revenues to grow about 15 percent sequentially in the third quarter, thanks in part to the launch of some mobile devices and growth in automotive and China markets.

Indeed, with the expansion of a Shanghai factory, Amkor expects revenues to double in greater China this year, according to conference call transcript from FactSet.

The Arizona-based company with operations in Asia was dinged in the second quarter by $13 million recovery costs from Japan's earthquakes. But CEO Stephen Kelley credited the accelerated recovery of Amkor's earthquake-damaged Kumamoto factory for hitting above the high end of the company's second-quarter sales guidance, he said on the call.

Going forward, Kelley said Amkor expects its sales from the Apple iPhone ecosystem to grow significantly this year and forecasts market share gains in the high-end Android ecosystem.