Tilly's (TLYS) shares were up nearly 64% in premarket activity Thursday, a day after the company reported a swing to fiscal Q4 earnings and higher net sales year over year.

Turbo Energy (TURB) stock was 21% higher, extending the previous session's gains.

Lightwave Logic (LWLG) shares were up 18% pre-bell Thursday after the company said late Wednesday it has signed an agreement with Tower Semiconductor (TSEM) to develop high-speed optical modulators.

Firefly Aerospace (FLY) stock was 12% higher, a day after the company said it launched its Alpha Flight 7 Stairway to Seven mission from its space launch complex 2 at the Vandenberg Space Force Base before providing a demonstrator payload for Lockheed Martin (LMT).