VAUGHAN, Ont. — CannTrust Holdings Inc. shares fell Friday after the cannabis company said it is laying off as many as 140 people — roughly one-quarter of its workforce — while it works to regain its federal licenses to sell and produce a pot. Its stock fell as low as $1.52 on the Toronto Stock Exchange, down roughly 13 percent from its previous close of $1.74, but regained some losses to $1.65. The Vaughan, Ont.-based pot producer said late Thursday there will be a series of phased layoffs between … Continue reading CannTrust cutting as many as 140 jobs as it works to regain cannabis licenses