The Globe and Mail Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer Canada’s primary stock index will add 13 companies next week, including a lithium miner and a couple of cannabis companies. S&P Dow Jones Indices, manager of the S&P/TSX Composite Index, said Lithium Americas Corp. , OrganiGram Holdings Inc. and Village Farms International Inc. will join prior to the open of trading on March 22. The other additions are AcuityAds Holdings Inc.; Canaccord Genuity Group Inc.; Denison Mines Corp.; Dye & Durham Ltd.; Endeavour Silver Corp.; Goeasy Ltd.; NexGen Energy Ltd.; SunOpta Inc.; Turquoise Hill Resources Ltd.; and Westport Fuel Systems Inc.