shares were rising 4.8% in trading Friday to $42.01 after the Canadian cannabis company announced it was joining the S&P/TSX 60 Index, a first for the cannabis industry. The S&P/TSX 60 is market index of 60 large Canadian companies trading on the Toronto Stock Exchange. Canopy Growth is the first cannabis company to list on the exchange, further legitimizing an industry that in some ways is still struggling to garner respect.