Since Colorado legalized marijuana, cannabis industry stocks skyrocketed about 150% in the early 2014. Unfortunately, the boom was over by spring. Nevertheless, according to Bloomberg, legal marijuana market was the fastest growing industry in the US in 2014. As stated in the ArcView Market Research report, the US market for legal cannabis grew by 74% from 1.3 billion in 2013 to 2.7 billion in 2014 (check the pie chart).
According to the National Survey on Drug Use and Health, about 12% of US population (12 years old and older) have been smoking marijuana during the past year on a regular basis. For young adults (18-25 years old) this figure is even higher (32%). Most active weed fans live in District of Columbia, Rhode Island, Alaska, Vermont, Oregon, and Colorado.