Corbus Pharmaceuticals Holdings Inc. (NASDAQ:CRBP) and
Zynerba Pharmaceuticals Inc. (NASDAQ:ZYNE), both posting gains of more than 40% this week.
Sundial Growers Inc (NASDAQ:SNDL) had a roller coaster week. The stock received attention from Reddit investor group r/WallStreetBets, which has over 8 million members. Sundial shares closed nearly 48.5% higher on Monday, dipped Tuesday, but spiked 16% on Wednesday. Gains for the week ultimately surpassed 38%.
As of Jan. 14, 35.79% of the float was short, and the group is known to target buying shares of companies such as
GameStop Corp (NYSE:GME) and
AMC Entertainment Holdings Inc (NYSE:AMC), which are heavily shorted as well.