SMX (SMX) shares were more than 100% higher pre-bell Friday, extending Thursday's rally.
Lion Group (LGHL) stock was up 22%, recovering from losses from the previous session.
Rubrik (RBRK) shares were 18% higher, a day after the company reported it swung to fiscal Q3 non-GAAP earnings amid higher revenue.
Q/C Technologies (QCLS) stock was up 17%, adding to Thursday's increase.