After Motorola Mobility closed its Nanjing R&D office, the Chinese PC maker Lenovo has benefited by taking on a number of the rival firm's bereft staff.

China's low-cost smartphone maker Xiaomi will look to expand its busines beyond the domestic market to Taiwan, Hong Kong and Singapore via online sales, but it will steer clear of producing tablet devices.

Chipmaker ARM Tuesday reported higher profit and revenue for the third quarter, adding that it expects group dollar revenues for the fourth quarter in-line with market expectations.

Samsung recently raised eyebrows by beefing up its team of Texas-based chip designers, including those whose backgrounds pointed to an interest in chips for server systems. Now one of the most prominent of those recruits has left the South Korean company for Apple.

STMicroelectronics and Ericsson , joint owners of ST-Ericsson, said they had hired an adviser to help deal with the chipmaker.

Williams Financial analyst Cody Acree told MarketWatch that the gains apparently were due to "more talk of Apple moving away from Samsung as a foundry" which has also led to speculation that either Intel or TSMC may be tapped to manufacture chips for Apple.

The report continues, quoting an anonymous Samsung official speaking about the A6 chip. "Apple did all the design and we are just producing the chips on a foundry basis." That's a change from the past, when Apple worked with Samsung on chip development and/or design.

Amazon.Com is in advanced talks to buy the supplier of processors for its Kindle tablet computer, Israeli financial newspaper Calcalist reported on Monday, a step toward vertical integration that could portend a push into smartphones.