Article by Armina Ligaya, National Post Licensed marijuana producer Aphria Inc. dug in its heels Tuesday, determined to remain on the Toronto Stock Exchange despite a warning from the group that operates the index that pot firms with U.S. exposure could face delisting. Shares of Aphria (TSX:APH), which expanded into Florida in April, closed 13 … Continue reading Aphria Shares Fall Even as it Digs in Heels to Remain on TSX Amid Crackdown