One of the biggest challenges that BlackBerry faces with its new BlackBerry 10 devices is building a brand that resonates with consumers and enterprises at a time when both Apple and Samsung have ...

BlackBerry ( BB -3.34%) stock is surging higher in this week's trading. According to data from S&P Global Market Intelligence, as of noon ET this Friday, the company's share price was up 9.7% from ...

BlackBerry stock has been on an impressive winning streak lately. With today's gains, the company's share price is now up roughly 106% over the last year of trading. On the other hand, the stock is ...