A worker examines cannabis plants at a Tilray farm.
A group of cannabis stocks are jumping again on Thursday as the Reddit trading crowd continues to pile into the high flying names.
Shares of Tilray are up 13% in premarket trading on Thursday, after rallying about 150% this week. Aphria is up more than 11% in extended trading, following a 57% gain this week. Aurora Cannabis is up nearly 14% in premarket trading after a nearly 50% rally since Monday. Canopy Growth is up 1% in early trading, bringing its weekly gain to more than 20%.