HUB Cyber Security (HUBC) shares were down 27% in Tuesday premarket activity, reversing a 29% gain in the previous session.

Black Titan (BTTC) stock was 25% lower after rising nearly 118% in the Monday session.

First Citizens BancShares (FCNCA) shares were down 18% following a largely muted earlier session.

Zeo Energy (ZEO) stock was 15% lower after shares gained nearly 27% in the previous session.