"Are you aware that results are what matter? The road to hell is paved with good intentions. Please switch to another road," one shareholder, Hannu Virtanen, told Nokia CEO Stephen Elop.

Canaccord Genuity said in its new report that in the June quarter, slowing sales of the iPhone combined with strong sales of Samsung's Galaxy S4 may catapult Samsung to the top spot.

Retail sales across the eurozone have fallen for the second month in a row in March, according to the European Union statistics agency Eurostat.

Altera posted revenue slightly below expectations in the first quarter and the programmable chipmaker said it was beginning to see a recovery from a dip in demand from its communications and industrial customers.

Although smartphone sales are still climbing Qualcomm is now facing fiercer competition from other chip makers, including Intel, which has been redesigning its microprocessors in an attempt to grab a bigger piece of the mobile computing market.

Motorola's Mobility Unit in China has confirmed a plan to lay off 800 employees after two months of silence, according to Tencent. The company will make three rounds of cuts at the end of May, July and September.

ARM jumped the most in more than four years after reporting sales that beat estimates as demand increased for its graphics and processing technology.

Finnish phone maker Nokia has won a court injunction banning HTC from using microphone parts made by STMicroelectronics in its flagship HTC One phones, in a move that will deepen the problems at the struggling Taiwanese handset company.

Samsung Electronics is considering purchasing mobile memory chips from rival SK Hynix Inc for future products including its new flagship Galaxy S smartphone to be launched this month, JK Shin, head of Samsung's mobile business, said on Thursday.

GlobalFoundries, the contract chip manufacturer whose clients include Advanced Micro Devices (AMD) and Qualcomm, plans to spend US$4.4 billion in 2013 to expand production as demand for smartphones and tablets climbs.