Legal Cannabis across the globe is expanding at an exponential rate, with mega growth comes mega profit potential for investors.

According to market research firm ArchView, annual legal Cannabis sales is North America will increase 250% by 2021 to $22bn.

Giant institutions won't be the only ones to profit from legalization. Online trading has made it possible for the average trader/ investor to get in on the action.

Indeed, legal Cannabis is creating an extraordinary investment opportunity, if you know why, when and which stocks to buy. AZInvest finds those stocks for you.