It's been quite the ride for BlackBerry (BB 0.70%) shareholders over the last several months. Having watched its share price spike and then recede, it appears the Canadian smartphone maker's impressive recovery may have hit a snag or two. Of course this should come as no surprise to longtime observers of the tech space because, like it or not, the company remains on the outside of the global smartphone market. And worse yet, there are increasing signs that this could be the norm rather than the exception. In this video, Fool contributor Andrew Tonner discusses the most recent problems at BlackBerry.