BlackBerry shares plunged nearly 30 percent after the company posted a loss and warned of future losses, despite releasing its make-or-break new smartphones this year.
Microsoft and Oracle announced a tie-up to give the once-fierce rivals an advantage against Web-based cloud-computing companies chipping away at their businesses.
Three attorneys general want Google to change the way its search engine displays results, accusing the company of helping facilitate the sale of illegal goods.
Dish Network Corp said it would not make a new offer to buy Sprint Nextel in time for a Tuesday deadline and will instead focus on its tender offer for Clearwire Corp.
Sony CEO Kaz Hirai made it clear he sees the console as one of the tentpole units that will lead the company back to prosperity. Early indications are Sony plans to do that by changing the closed gate philosophy it has held for so long.