Why Do You Think They Call It Dope? Marijuana Play Medbox Drops 90.24% (MDBX)

That followed a 6500% run-up after Colorado and Washington legalized pot:

Splits: none Election day close     $3.14
Monday Nov. 12      $6.00
Tuesday Nov. 13      $10.80
Wednesday Nov. 14 $43.90
Thursday Nov. 15     $205.00
Friday Nov. 16         $20.00