FiEE (FIEE) shares were down 20% in Tuesday premarket trading, following the earlier session's nearly 13% gain.
Eupraxia Pharmaceuticals (EPRX) stock was down 15% after a 6.2% gain in Monday's session.
Nomadar (NOMA) shares were down 14%, following the previous session's 16% gain.
Brenmiller Energy (BNRG) stock was down 13%, extending the previous session's nearly 17% decline.
China SXT Pharmaceuticals (SXTC) shares were down 10% after the earlier session's 9.4% gain.