Donald Trump spoke about the cannabis industry in the Oval Office on Monday
Pot stocks fell on Monday as investors took profits following a record-setting session.
Reclassification to a Schedule III drug and possible Medicare coverage for pot could unlock new investment from pharmaceutical companies.
The order to place cannabis in the same category as Tylenol with codeine would mark the most significant change in US drug policy since 1971.
President Donald Trump signed an executive order Thursday reclassifying marijuana as a Schedule III substance with looser restrictions.
Change will loosen limits on research and certain regulations but stops short of making marijuana legal
President Donald Trump on Thursday ordered the federal government to hasten marijuana reclassification to enable research into its medicinal uses.