Skillsoft (SKIL) shares were 24% higher pre-bell Wednesday following a muted session.
ComScore (SCOR) stock was up 16% after closing flat on Tuesday.
United Airlines (UAL) shares were 11% higher after the US and Iran agreed to a two-week ceasefire.
Delta Air Lines (DAL) stock was up 11% following a 1.7% loss in the previous session.
Highlander Silver (HSLV) shares were 10% higher, adding to Tuesday's gain.