Apple shares on Monday climbed above $600 ahead of a stock split and as the company ramps up its stock buy-back program.
Nokia is planning for a turnaround now that it has sold its lossmaking handset business to Microsoft, naming on Tuesday a new CEO, promising to pay dividends again and laying out its vision for its remaining operations.
Google lost some of its luster Wednesday as quarterly results failed to meet lofty Wall Street expectations, sending its shares down sharply.
Activist investor Carl Icahn fired off word on Tuesday that he beefed up his Apple stock holdings by a half-billion dollars as the share price dipped.
EBay said Wednesday that activist investor Carl Icahn had taken a stake in the online retailer and was seeking a spinoff of its PayPal financial payments unit.
Struggling Internet giant Yahoo! will see more users accessing its services by mobile in 2014 than classic desktops, chief executive Marissa Mayer said on Wednesday at the Davos World Economic Forum.
Google-owned online ad-placing service DoubleClick on Friday announced that the way has been cleared to include space at Facebook.
Rupert Murdoch's freshly unfettered entertainment company 21st Century Fox on Tuesday reported that its annual profit was pumped up by revenue from its cable television operations.
Struggling personal computer maker Dell will report its latest quarterly earnings ahead of schedule in a move likely to spur speculation that the results will be dismal.
Shares of Apple hit their lowest level in more than a year on Monday, continuing a decline hastened by the company's last quarterly earnings report.