Facebook posted a revenue increase of 40 percent in the fourth quarter as the number of daily mobile users exceeded daily Web users for the first time ever, the company reported.
The U.S. Department of Justice and the Department of Homeland Security have asked for more time to consider Softbank's proposed takeover of Sprint Nextel, a move that may signal a rough road ahead for the US$20 billion deal.
Samsung Electronics posted record profits during the holiday shopping season, on strong sales of mobile phones and TVs from its premium to low-end lineups.
Sales of Windows 8 helped Microsoft report nearly $6.4 billion in profit on $21.5 billion in revenue, but it remains to be seen whether the new OS is a success.
Microsoft announced financial results for its fiscal second quarter, the first to include numbers generated by the Windows 8 launch. Though profit declined, company revenue increased, helped by Microsoft's Windows division, where sales shot up more than 20 percent year on year.
Nokia swung to a net profit during the fourth quarter, as it sold a growing number of Windows Phone-based smartphones.
According to documents unsealed as part of a private antitrust suit, Steve Jobs once threatened Palm with a patent lawsuit if it did not enter into an agreement in which the companies pledged not to hire employees from each other.
Google's fourth-quarter revenue was up 36 percent from the previous year, thanks to continued growth in its advertising business.
Tablets and smartphones will give a much-needed boost this year to the worldwide microprocessor market, which is undergoing a fundamental change with a shift to low-power processors used in energy-efficient devices, research firm IC Insights said.
Sony will sell its U.S. headquarters to raise $685 million in cash, parting ways with an iconic New York building it has occupied for 20 years.