** Cannabis producer's shares jumped as much as 17.5 pct to C$5.85 to a record high
** Company's unit, Tweed Inc, and rapper Snoop Dogg, partner to launch cannabis brand 'Leafs by Snoop'
** 'Leafs by Snoop' will be available in Canada this October, exclusively to customers registered with Tweed
** Shares of the company closed down 1.8 pct
** Up to Wednesday's close, stock had risen 67.7 pct this year