Twitter Inc. shares fell sharply Monday after a Morgan Stanley analyst lowered his investment rating on the social media's stock, saying that advertisers are more likely to spend their ad dollars on Twitter's larger rivals first.
Shares of Twitter fell on Monday, returning its stock price to a level last seen on Dec. 20.
BlackBerry's new chief executive, John Chen, signaled a new strategy focusing on providing secure email and device management to large businesses as the company revenues plunged 56 percent.
Facebook plans to offer 70 million shares of its Class A stock in a sale that includes more than 41 million shares from chairman and CEO Mark Zuckerberg.
Meg Whitman, CEO at Hewlett-Packard, has received a hefty salary bump just in time for a happy holiday season even though HP's annual revenue has fallen by 12 percent over the past two years.
BlackBerry is losing its head of global sales and two other top executives just days before quarterly figures are expected to show steep losses.
Google has bought eight companies that specialize in robotics this year and is assembling them into a new robotics division headed by Andy Rubin, who oversaw Google's development of Android.
A labor group monitoring three Chinese factories that make Apple products says working conditions have steadily improved in the last 18 months, but more must be done to reduce the amount of overtime that employees work.
Verizon announced it's acquiring content delivery company EdgeCast.
U.S. computer maker Dell is offering to buy out an undisclosed number of employees to cut operating expenses, the company said.
Technology giant Apple is tracking customers as they wander through U.S. Apple stores, the company has confirmed.
Twitter has named Marjorie Scardino as a director, adding a woman to the all-white male board for which it's been sharply criticized.
International Data Corporation expects worldwide PC shipments to dip by 10.1 percent in 2013, the most severe yearly contraction on record.
Topsy Labs' analytic tool pores through the stream of conversations on Twitter to identify trends and people influencing public opinion.
Sales of traditional PC computers continues to decline, a research firm says.