The deal could be worth up to $613 million.
Amazon steps up challenge to Apple by releasing unrestricted music tracks.
The holiday season confirms the company's strength in notebook computers.
Analysts expect outsourcers to look outside for more growth.
Shares rise after management says the company can hold up in a downturn.
Leading consulting firm tops first-quarter estimates and raises earnings guidance for the year.
The company is said to be talking to NTT DoCoMo and Softbank about rolling out the iPhone in their nation.
Company sees a bright future for embedded storage devices, but industry analysts remain skeptical.