Canada's cannabis industry is about to hit C$6 billion (nearly $4.4 billion) in retail sales. In its latest report, analysis firm Z&A looks into the thriving year-on-year surge in recreational sales and the worrisome downturn in the medical marijuana sector.

The report examines the market performance of major players like Tilray (NASDAQ:TLRY), Decibel Cannabis Company Inc. (OTC:DBCCF) and Village Farms International, Inc. (NASDAQ:VFF) to address a critical query: What drives the divergent paths of Canada's recreational and medical cannabis markets, and who is at the forefront?

"Canada's growth rate is impressive, given...