Marijuana may be the biggest opportunity for investors these days, as shares of companies in the cannabis industry keep rallying. With the prospects of further legalization and changing public perceptions about marijuana, some investors will likely end up making millions of dollars over the next few years, while others will lose their shirt. When Coca-Cola KO, the world’s largest beverage company, starts talking about cannabis-infused drinks, investors ought to listen. This is especially significant because, lately, Coca-Cola has been de-emphasizing its sugary carbonated drinks and focusing on healthier options. Coca-Cola appears to be on its way to not only validate