Genenta Science (GNTA) shares were nearly 35% lower pre-bell Monday after the company priced overnight a $15 million registered direct offering of American depositary shares.
MaxsMaking (MAMK) stock was down 23%, paring gains from the previous session.
United States Antimony (UAMY) shares were 15% lower after Friday's 2.4% gain.
Nanobiotix (NBTX) stock was down 12% following a largely muted session Friday.