Share prices for cannabis producers jumped an average of five to 10 per cent in relatively high volume trading early in the day yesterday.
The companies already produce marijuana for medical use in Canada, and investors are betting they could quickly scale up to serve recreational pot users too, once Trudeau makes good on his promise.
Canopy Growth rose 11 per cent to CAD2.43, while Aphria Inc. Rose 5.3 per cent to CAD1 and Mettrum Health Corp. Gained 6.0 per cent to CAD1.95.
At least one company is also looking beyond Canada's borders hoping that G20 nations will adopt Canada's regulatory framework for pot, creating new markets for their wares.
Bruce Linton, who co-founded the firm Tweed, said he was betting on "significant growth" in the sector, as legitimate firms move into a space now dominated by black market growers and sellers, and offer buyers a large variety of pesticide-free strains.
It merged with Canopy and Bedrocan in the spring to form the largest commercial pot grower in Canada. The parent company changed its name to Canopy in September.
Tweed was one of only six firms initially licensed by Health Canada to grow and sell fresh medical marijuana and cannabis oil to eligible persons. The number of licenses issued has since grown to 26.
An estimated one million out of Canada's 35 million people regularly smoke marijuana, according to 2014 surveys.
He said his late brother Michel was facing marijuana possession charges for a "tiny amount" of pot before his death in an avalanche in 1998. This influenced his decision to call for legalizing and regulating cannabis, Trudeau has said.
