It was another busy week for the cannabis industry, with Aurora Cannabis Inc (OTC: ACBFF) applying to list on the New York Stock Exchange, tobacco giant Altria Group Inc. (NYSE: MO) reportedly showing interest in in Aphria Inc.  (OTC: APHQF), and Walmart Inc (NYSE: WMT) confirming it conducted “some preliminary fact-finding” related to selling cannabis-based products in its stores.