By Becky Olson
Last year was a tumultuous one for cannabis stocks, further deterring institutional investors from getting involved in a notoriously high-risk sector.
A sampling of 12 stocks analyzed by Marijuana Business Daily started the year off strong, collectively rising about 27% during the first few weeks of 2015. But the tide quickly turned, and the stocks ended the year down an astounding 65% from where they started.
In fact, every one of the stocks examined fell significantly…