A battle has started for control of Portugal Telecom, with an Angolan takeover bid countering a French company's offer.
The world's biggest iron ore producer, Vale, has announced its intention to expand production despite a falling price. This follows similar announcements by Rio Tinto and BHP.
Zynga said Thursday it wants to perform better, as the social games firm reported losses widened and revenues sank in the past quarter, sending its share price tumbling.
Twitter got a reality check Wednesday as the high-flying messaging company reported modest user growth during a quarter in which it lost $511 million.
The Nokia handsets business that Microsoft is due to take over saw sales continue to slide in the fourth quarter as its Lumia smartphones failed to draw business away from larger competitors like Apple and Samsung.
Dealertrack Technologies Inc., which makes software used by auto dealerships, says it is buying Dealer.com in a cash and stock deal that could be worth nearly $1 billion.
Samsung Electronics promised better shareholder returns, dismissed fears over smartphone market saturation and signalled a more aggressive acquisitions policy Wednesday at a rare analysts' briefing to boost its flagging stock ...
Twitter boosted its public stock offering to as much as $2 billion Monday, suggesting strong demand for its shares and a higher overall value for the one-to-many messaging platform.
Here is a look at notable tech companies that have conducted initial public offerings over the past two years ahead of Twitter's IPO:
Two financial firms sued Twitter on Wednesday, saying it supported their own world tour to sell its shares last year, only to disallow the sales in a ruse aimed at boosting the company's valuation above $10 billion for an ...