07:58 AM EST, 11/15/2024 (MT Newswires) -- TFF Pharmaceuticals ( TFFP ) shares tumbled 71% in recent Friday premarket activity, a day after saying it has terminated its employees and will wind down its operations.

Eyenovia ( EYEN ) stock fell 61%, continuing the previous two sessions' losses.

Quantum Computing ( QUBT ) stock fell 28% after it said late Thursday it plans to sell 16 million shares at $2.50 apiece for gross proceeds of $40 million in a registered direct offering.

Digital Brands Group ( DBGI ) shares declined 24%, a day after it posted lower Q3 net revenue from a year earlier.