CASI Pharmaceuticals (CASI) shares were 16% lower pre-bell Monday, retreating from Friday's increase.
Matinas BioPharma (MTNB) stock was down 14%, paring Friday's rally.
Tivic Health Systems (TIVC) shares were 13% lower following an 8.3% increase in the previous session.
Empery Digital (EMPD) stock was down 12% after the company said it secured a $25 million credit facility.