MONTREAL - Liberal Party of Canada CFO Chuck Rifici has become a multimillionaire in just a few months thanks to his stock-traded medical marijuana company, QMI Agency has learned. Documents show Rifici's initial investment in Tweed Marijuana Inc. has so far sprouted into an $18-million bumper crop. Rifici co-founded Tweed and served as its CEO until he resigned on Aug. 27. He remains on the company's board. According to financial statements, Rifici's fortune exploded after Tweed's initial public offering in April 2014, when it became one of the first to sell legal marijuana under a new Health Canada licensing system. [continues 319 words]