For many tech stocks, it’s been a solid start to the year. However, for certain beaten-down legacy companies like BlackBerry (NYSE:BB), intense selling pressure continues. Today’s decline of more than 17% in BB stock this afternoon is indicative of the momentum this security software company has seen in recent years.Yes, there was a massive pop during the meme mania, which took many popular stocks higher in short order. But overall, the longer-term trend has been down and to the right for this stock. Accord ...