J-Star (YMAT) shares were up 59% in Wednesday premarket activity after the company filed a prospectus for offerings of up to $150 million of its Class A ordinary shares, debt securities, warrants, rights and units.

SUNation Energy (SUNE) stock was 33% higher after Suniva announced the completion of an $835 million capital raise comprising debt and equity financing.

The OLB Group (OLB) shares were up 25%, adding to a 4.6% gain in the previous session.

InnovAge (INNV) stock was 14% higher after the company swung to a profit in fiscal Q4 following better-than-expected sales growth.