In 2012, Washington and Colorado became the first states to legalize recreational marijuana. Since then, more states have followed. To date, 33 states have legalized the recreational or medicinal use of marijuana. Canada legalized recreational use nation-wide in October 2018.
A TMX Group spokesperson said Friday the company is in talks with Canadian securities regulators to discuss how to deal with Canadian companies with holdings in the U.S., where the drug is illegal.