** Canadian marijuana company Canopy Growth’s U.S. shares up 4.8 pct premarket
** Canada Senate approves recreational use of marijuana
** Legalization has already been delayed from govt’s initially planned July launch
** Besides Canopy Growth, other Canadian marijuana companies include Aphria, Aurora Cannabis and MedReleaf, which is to be bought by Aurora Cannabis
** The Horizons Marijuana Life Sciences ETF has edged up 0.11 pct so far this year
** WEED has surged ~43 pct YTD, while LEAF has jumped ~31 pct; ACB is off ~1 pct and APH has tumbled ~36 pct (Reporting by Savio D’Souza)
