It was a mixed year on Wall Street for technology stocks. Of 35 companies tracked by CRN, 14 saw their share prices decrease over the course of 2012, including 10 that fell by more than 10 percent. But there were also 15 companies that saw their share price increase by a double-digit percentage, including five companies that jumped more than 50 percent. By comparison, the Dow Jones index increased 7.3 percent in 2012, and Nasdaq was up 15.9 percent. Here's a look at the best and worst tech stocks of the year.