Applied DNA Sciences (APDN) shares were 24% lower pre-bell Tuesday, erasing Monday's rally.
Epsium Enterprise (EPSM) stock was down 24%, extending Monday's slide.
JFB Construction (JFB) shares were 13% lower, shaving Monday's gains.
Boqii (BQ) stock was down 9% after a more than three-fold increase in the previous session.