Satsuma Pharma's STS101 flunks late-stage migraine study, shares down 84%

Satsuma Pharma's STS101 flunks late-stage migraine study, shares down 84%

Source: 
Seeking Alpha
snippet: 

Thinly traded micro cap Satsuma Pharmaceuticals (NASDAQ:STSA) tanks 84% premarket on robust volume in reaction to an unsuccessful Phase 3 EMERGE efficacy trial evaluating STS101 (dihydroergotamine) (DHE) as an acute treatment for migraine.