October 2, 2018 at 11:00 p.m.
| Updated October 2, 2018 at 12:40 a.m.
FILE - This May 23, 2017 file photo shows GW Pharmaceuticals' Epidiolex, a medicine made from the marijuana plant but without THC. Investors are craving marijuana stocks as Canada prepares to legalize pot next month, leading to giant gains for Canada-based companies listed on U.S. exchanges. (AP Photo/Kathy Young, File)
Fortunes were made and lost over the course of two days in September on the latest investment mania: marijuana stocks. Fans of Canadian producer Tilray, perhaps sampling the merchandise, sent the stock soaring on Sept. 19, nearly doubling overnight. But alas, the buzz inevitably wears off, and the stock came down from its high. Over the course of the week, Tilray's stock price soared from $117 to $300 and crashed back to $123 by Friday.