Company: Research in Motion Limited

To hear Mike Lazaridis and Jim Balsillie of Research In Motion tell it, their departures as co-chairs and co-CEOs at RIM were well thought out and their own decisions. They deny being pushed out by an anxious board or disgruntled shareholders.    Read More

Research in Motion released an upgrade for its Playbook tablet Tuesday, but the company's efforts to enter the tablet market are too late, said Jon Rettinger, TechnoBuffalo president.   Read More

Facebook is about to cash in on a public offering that looks likely to net Mark Zuckerberg $28 billion, make hundreds of its employees millionaires, and deliver handsome profits to its investors.    Read More

A day after billionaire investor David Einhorn revealed a bullish stance on Dell, one analyst took the opposite tack.   Read More

Research In Motion stock found a buyer in David Einhorn’s Greenlight Capital, according to 13-F filings made public Tuesday.   Read More

Cramer makes the call on viewers' favorite stocks.   Read More

Blackberry maker Research in Motion new CEO Thorsten Heins did an on-the-record with us at CNBC. He gave us a preview of the new Playbook technology; certainly impressive (though no idea what reviewers will say after getting their hands on it.)    Read More

While companies are flocking to Apple's iOS in droves, Google's Android operating system hasn't attracted the same level of interest, despite the platform's gains in the consumer market.    Read More

Apple had $97.6 billion in cash and cash equivalents at the end of its most recent quarter, and despite calls for a dividend, analysts say this may not be the best course of action.   Read More

Changes at the top at some big tech companies over the past four months—including Research In Motion on Sunday—have some traders thinking about other underperforming giants that could use a new leader.    Read More