Cannabis ETFs Face a ‘Day of Reckoning’ That Even 30% Gains Can't AvertJul 08 2019, 1:48 PMJul 08 2019, 3:53 PMJuly 08 2019, 1:48 PMJuly 08 2019, 3:53 PM(Bloomberg) -- There may be trouble ahead for the growing number of exchange-traded funds that invest in cannabis companies.Disclaimer