Marijuana plants in a flower room at the grow facility for Sense of Healing dispensary in Denver in December. A former foreign-exchange executive at Tullett Prebon has put $1 million into Amercanex Corp., an electronic cannabis-trading platform that handles sales of about 100 to 150 pounds of weed a week.
Marijuana plants in a flower room at the grow facility for Sense of Healing dispensary in Denver in December. A former foreign-exchange executive at Tullett Prebon has put $1 million into Amercanex Corp., an electronic cannabis-trading platform that handles sales of about 100 to 150 pounds of weed a week. MATTHEW STAVER Bloomberg
Marijuana plants in a flower room at the grow facility for Sense of Healing dispensary in Denver in December. A former foreign-exchange executive at Tullett Prebon has put $1 million into Amercanex Corp., an electronic cannabis-trading platform that handles sales of about 100 to 150 pounds of weed a week. MATTHEW STAVER Bloomberg

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