July 31 (Reuters) - CannTrust Holdings Inc TRST.TO :
* CANNTRUST APPOINTS FINANCIAL ADVISOR FOR STRATEGIC REVIEW
* CANNTRUST HOLDINGS - ALTERNATIVES COULD INCLUDE, AMONG OTHER THINGS, A SALE OF COMPANY OR A PORTION THEREOF
* CANNTRUST HOLDINGS INC - RETAINED GREENHILL & CO. CANADA LTD. AS SPECIAL COMMITTEE'S FINANCIAL ADVISOR
* CANNTRUST HOLDINGS - ALTERNATIVES ALSO COULD INCLUDE STRATEGIC INVESTMENT, A BUSINESS COMBINATION, CHANGES TO OPERATIONS OR STRATEGY