A $3 billion marijuana merger could soon shake up the entire industry

Anthony Bolante/Reuters For years, Canopy Growth has had a comfy seat as the largest marijuana stock. Aurora Cannabis has offered to buy rival CanniMed Therapeutics, which could create a $3 billion company. The deal could make the final company attractive to a bigger, non-marijuana company looking to get into the space. Look out, Canopy Growth Corporation. Your reign as the pure-play marijuana stock with the highest market cap might not last for long. On Tuesday, Aurora Cannabisannounced that it...