The best marijuana stocks to invest in for 2020 might actually be a surprise to some investors watching cannabis stocks. In the past year pot stocks on your December 2020 watchlist have been delivering gains for shareholders since the March crash. In fact, the American cannabis industry is going into 2021 with strong revenue growth and more expansion opportunities in states that are establishing legalization. Currently, there are 9 MSOs with market caps above $1 billion and more IPOs coming in 2021. Along with a surge of newly public companies is also the increasing mergers and acquisitions that are taking place this year and into 2021.