07:39 AM EDT, 09/03/2025 (MT Newswires) -- Solidion Technology ( STI ) shares were 127% higher pre-bell Wednesday following a relatively muted session.

Sintx Technologies ( SINT ) stock was up nearly 50% after the company announced the publication of a peer-reviewed study showing that silicon nitride exhibits "potent" antiviral activity against various infectious virus strains.

Great Elm Group ( GEG ) shares were 27% higher, a day after the company reported it swung to fiscal Q4 earnings.

Professional Diversity Network ( IPDN ) shares were 25% higher following a 3.9% increase in the previous session.

Four Seasons Education ( FEDU ) stock was up 22%, rebounding from Tuesday's slide.