08:14 AM EDT, 06/11/2025 (MT Newswires) -- Vaxart ( VXRT ) shares were up more than 80% in recent Wednesday premarket activity after the company reported topline results from a phase 1 clinical study evaluating its oral pill norovirus vaccine constructs head-to-head against its first-generation constructs. The company said second-generation norovirus constructs showed statistically significant increases in norovirus blocking antibodies compared with first-generation constructs.

Ouster (OUST) stock rose 16% after the company said that the US Department of Defense has approved its OS1 digital lidar to be used in unmanned aerial systems.

SailPoint ( SAIL ) shares climbed over 10% after the company reported a narrower fiscal Q1 net loss and higher revenue.

Dave & Buster's Entertainment (PLAY) shares rose 6%, a day after the company posted better-than-expected fiscal Q1 revenue.