07:40 AM EDT, 04/19/2024 (MT Newswires) -- Air Industries Group ( AIRI ) shares slumped nearly 60% Friday premarket, adding to Thursday's slide.
Sunshine Biopharma ( SBFM ) shares were down nearly 18%, extending losses from the previous session.
Educational Development Corporation ( EDUC ) shares fell 6% after Thursday's 10% drop.
Biotricity ( BTCY ) shares retreated 6%, paring Thursday's gains.