Canada weed stocks come off high as challenges loom before legalization
November 20, 2017 at 07:00 AM EST
TORONTO/BENGALURU, Nov 20 (Reuters) - Canada's marijuana stocks, which have surrendered some of the potent gains that pushed them to record highs this month, face a bumpy ride in 2018 that could purge smaller players, as the country moves to allow recreational use of cannabis in July.