Quoin Pharmaceuticals (QNRX) shares were 23% lower pre-bell Monday, paring Friday's rally.
One and One Green Technologies (YDDL) stock was down 22%, reversing from Friday's increase.
Safe & Green (SGBX) shares were 15% lower, shaving gains from the previous session.
Yunhong Green CTI (YHGJ) stock was down 12% following a 55% increase in the previous session.