07:54 AM EST, 03/08/2024 (MT Newswires) -- Amylyx Pharmaceuticals ( AMLX ) shares slumped 80% Friday premarket after the company said its phase 3 study of a potential treatment of amyotrophic lateral sclerosis failed to meet its primary endpoint.

AerSale ( ASLE ) shares fell 20% after the company reported weaker Q4 financial results.

BigBear.ai ( BBAI ) shares retreated 19% after the company reported Q4 results that trailed analysts' estimates.

Genesco ( GCO ) shares were down 12% after the company reported lower fiscal Q4 earnings.

Price: 3.75, Change: -15.22, Percent Change: -80.23