“More than two years after Colorado and Washington became the first states to legalize recreational marijuana, a small but growing number of publicly traded companies are betting their futures on the hope of a thriving legal market for pot-based products. Bloomberg Intelligence identified 55 public companies whose business is based largely or completely on legal marijuana, and whose shares traded at $0.10 or more as of April 15th. These wildly fluctuating penny stocks aren’t for the faint of heart.”